original: The English alphabet as a vector of characters in Rust

duplicates: Is the Box necessary to return a trait from a function?

duplicates: How to implement multiple mutable borrows of a vector in Rust?

duplicates: What does the 'static lifetime mean in a trait bound in a Rust future?

duplicates: How come this Rust function doesn't work?

duplicates: What return type should I use for an iterable expression?

duplicates: Mutable reference to container object within iterator loop

duplicates: How do I return a reference to an Option of a custom struct inside of a lazy-static Arc Mutex?

duplicates: Borrow mutable and immutable reference in the same block

duplicates: Global constant initialized at runtime in Rust?

duplicates: Borrow checker "cannot move out of borrowed content"

duplicates: Setting a handler on a struct that references one of its own fields at call time

duplicates: Why don't `&str` results of `String` implementation functions (e.g. `String::trim`) behave like static string literals?

duplicates: How do I express mutually recursive data structures in safe Rust?

duplicates: How can you make a safe static singleton in Rust?

duplicates: Resolving a lifetime issue when attempting to use fold on a vector of struct references with lifetimes

duplicates: How do I add references to a container when the borrowed values are created after the container?

duplicates: Declare lifetime of output struct to be unrelated to inputs

duplicates: Is it possible to have Future::and_then conditionally return different futures?

duplicates: How to return a newly created struct as a reference?

duplicates: Iteratively building a singly linked list in Rust

duplicates: Rewriting adding to a singly linked stack from a recursive implementation to iterative

duplicates: How do I generate an iterator based off some underlying data in a struct in Rust?

duplicates: On the influence of inlining a function on rust borrow checker

duplicates: How do I consume the inner value of a Rc<RefCell<Option<_>>>?

duplicates: Lifetime of references passed to function stops subsequent access

duplicates: What does “`str` does not have a constant size known at compile-time” mean, and what's the simplest way to fix it?

duplicates: In rust, how do I define a global variable/constant whose value is the result of a function?

duplicates: How can I forget a reference in match after I don't need it anymore?

duplicates: How can I assign different class instances to an variable in Rust?

duplicates: Getting “expected type parameter, found struct”, what did I do wrong here?

duplicates: Why does the borrow from `HashMap::get` not end when the function returns?

duplicates: "the type does not fulfill the required lifetime" when using a method in a thread

duplicates: How can I correct "cannot infer an appropriate lifetime" without editing function signature?

duplicates: Rust compiler not always throwing borrowing errors

duplicates: How to iterate and extract values out of a for loop in Rust

duplicates: Why doesn't Vec<T> implement the Display trait?

duplicates: What allows the implicit conversion from a struct to its reference when calling a method?

duplicates: Mismatched Type while returning generic Struct

duplicates: Not able to understand the behaviour of Vector In Rust

duplicates: How do I explain to the compiler that T implements Add in a way that returns the same type?

duplicates: How to modify an optional field of a struct in a member function

duplicates: How to implement a trait for a parameterized trait

duplicates: Rust equivalent to a Repository of Factories of Strategies

duplicates: Why can't a struct be assigned to a binding with a trait it implements

duplicates: Is it possible initialize a global variable at runtime without a mutex?

duplicates: How to apply a lifetime to VecDeque<Box<dyn Trait>>?

duplicates: How to find or insert into a Vec in rust

duplicates: Lifetime error when creating a function that returns a value implementing serde::Deserialize

duplicates: Require that generic type overload operators and result of operation also overload operators

duplicates: What trait do I need to implement to provide the [index]= operation?

duplicates: How to implement a generic trait with a generic type implementing Iterator?

duplicates: What is the idiomatic way in Rust to represent collections of items of different types?

duplicates: Struct with member that refers to another member

duplicates: Why can't I return an &str value generated from a String?

duplicates: how does rust's println deal with arguments' ownerships?

duplicates: Mutable string not living long enough to perform a for loop

duplicates: Is there a way to store a texture inside a struct using rust-sdl2?

duplicates: cannot move out of borrowed content in a for loop over an iterator

duplicates: How to use the ref values of a HashMap without having the compiler complaining about borrowing the map

duplicates: Making an array of structs works only for some array sizes

duplicates: How can I return an Error of str in a function on Rust

duplicates: Why do I get a "borrowed content" error when trying to return a Vec from a method that takes &self?

duplicates: How to compare enum without pattern matching

duplicates: cannot borrow `rdr` as mutable more than once at a time [when using library from cargo]

duplicates: Cannot move struct with internal references

duplicates: Manipulating an object from inside a loop that borrows it

duplicates: How to create a function returning a borrowed value?

duplicates: How to avoid copying of a vector slice when returning data in web::Json?

duplicates: Initialize immutable global variable with a function in Rust

duplicates: Why are borrows of struct members allowed in &mut self, but not of self to immutable methods?

duplicates: How to write a Rust function that returns a reference to the inner member of an Rc?

duplicates: Parallel computing of array elements in rust

duplicates: Get file content as a vector: Borrowed value does not live long enough

duplicates: why "match" didn't match exact code in Rust?

duplicates: Why can't I call a mutating function more than once?

duplicates: Rust like solution for a C++ common scenario

duplicates: Is there a way to get a mutable reference to an element of a vector and an immutable reference to the other elements?

duplicates: Trait bounds on references for local variables

duplicates: Game loop in Rust while satisfying the borrow checker

duplicates: How to create mutable String with specific lifetime?

duplicates: Read file character-by-character in Rust

duplicates: How to write a trait bound for adding two references of a generic type?

duplicates: Is there an owned version of String::chars?

duplicates: How do I enforce immutability for public views of reference-counted types with interior mutability?

duplicates: Error: Expected Type Parameter, Found Closure

duplicates: Borrowing/move field seems to move the whole structure

duplicates: How to implement Iterator and IntoIterator for a simple struct?

duplicates: How do you return an Option of a reference to an i32?

duplicates: Immutable references from a mutable reference extend the lifetime of mutable reference

duplicates: Returning reference to generic type with generic Fn trait/value

duplicates: What should be the return type of iter().cloned().filter().map()

duplicates: Lifetimes & Borrow Checker when constructing a Struct

duplicates: How Does Rust's println! macro perform dereferencing?

duplicates: What does constraining a generic parameter by a lifetime (T: 'a) mean?

duplicates: Function local variable doesn't live long enough

duplicates: Understanding Rust lifetime and borrow checker

duplicates: What is the reason why this generic type not work but type alias is OK?

duplicates: What are the semantics of mutably borrowing a literal in Rust?

duplicates: Modifying and using variable at a same time from different threads in Rust

duplicates: Send FnMut to other thread by wrapping it into a Weak<Mutex<FnMut>> complains about missing Send

duplicates: How can one array contain multiple mutable references to the same object?

duplicates: Copy a struct to pass to a function - this field does not implement `Copy`

duplicates: How to implement an Iterator where the associated type Item is a slice?

duplicates: Why can I return a reference to a local literal but not a variable?

duplicates: Rust `From` trait, errors, reference vs Box and `?` operator

duplicates: How to give Hashmap entries references to each other?

duplicates: String to str slice, str slice does not live long enough

duplicates: Checking for substrings in a str: Understanding references

duplicates: How should I manage structures that can be formatted differently in many places in programs but are not my type?

duplicates: Moved variable still borrowing after calling `drop`?

duplicates: Unable to tokio::run a boxed Future because the trait bound Send is not satisfied

duplicates: How do I continue using an iterator after calling take?

duplicates: How to cast generic types that I know to be integers?

duplicates: How can I borrow from a HashMap to read and write at the same time?

duplicates: Return something that's allocated on the stack

duplicates: How can Rust be told that a thread does not live longer than its caller?

duplicates: Borrowed value does not live long enough with Strings and format

duplicates: How to create a static string at compile time

duplicates: How to return a instance of a struct that uses a locally declared variable

duplicates: Expected type parameter, found &A expected A

duplicates: Value is still borrowed although it is no longer used

duplicates: Pattern matching and return type unification

duplicates: Iterating over a slice's values instead of references in Rust?

duplicates: Return a reference together with the referenced object in Rust

duplicates: How to put heterogeneous types into a Rust structure

duplicates: Why do I get the error "wrong number of type arguments" when I use hyper::Client in my method signature?

duplicates: What does &&T (reference to reference) mean in Rust?

duplicates: Is there any way to return a reference to a variable created in a function?

duplicates: Cannot call rusqlite's query because it expects the type &[&rusqlite::types::ToSql]

duplicates: Finding the end of a linkedlist and mutating it

duplicates: How to clone an array with length bigger than 32?

duplicates: How to use the Pin struct with self-referential structures?

duplicates: How can I create a HashMap of different types and test them for equality?

duplicates: How to match a String against string literals in Rust?

duplicates: Understanding lifetime of borrowed variables when stacking function calls

duplicates: Why do I get the error "the trait `Foo` is not implemented for `&mut T`" even though T implements the trait?

duplicates: How do I return a mutable reference to the last element in a singly linked list to append an element?

duplicates: Reading data from file into a GenericArray

duplicates: How can I appease the borrow-checker in this case?

duplicates: How do I return a Vector created using a for loop?

duplicates: How do I convert a Vector of bytes (u8) to a string

duplicates: How can I handle a HashMap with (potentially) multiple types in its values being passed to a function?

duplicates: Storing from inside a loop a borrowed value to container in outer scope?

duplicates: Cannot move out of borrowed content when trying to transfer ownership

duplicates: cannot borrow `self` as immutable because `self.chars` is also borrowed as mutable

duplicates: What is the correct way to return an Iterator (or any other trait)?

duplicates: How does Rust deal with the intermediate value in a single expression that creates a reference-to-reference?

duplicates: Return a reference to an existing vector element or a newly-inserted element

duplicates: How do I share access to an AtomicBool between threads?

duplicates: Borrowed value does not live long enough when creating a Vec

duplicates: The compiler suggests I add a 'static lifetime because the parameter type may not live long enough, but I don't think that's what I want

duplicates: Rust: return reference to member variable in a function in an `impl`

duplicates: How do I implement a container with support for a mutable iterator?

duplicates: Sending trait objects between threads in Rust

duplicates: Create object in constructor and store reference in struct

duplicates: Is it possible to specify a global constant for a struct like a `time::Duration`?

duplicates: What is the difference between Copy and Clone?

duplicates: Closure in the return type for a Rust function

duplicates: Structs with references and returns of references: cannot infer an appropriate lifetime for autoref due to conflicting requirements

duplicates: Sharing a mutable vector between multiple closures

duplicates: Initializing an array of strings in Rust

duplicates: Borrow issue returning &format! in pattern

duplicates: What is the most adequate pattern for immutable objects that are computed once then usable anywhere in the application?

duplicates: error: type parameter `D` must be used as the type parameter for some local type

duplicates: file-scope mutable static HashSet/Vec/etc

duplicates: again - borrowed value does not live long enough

duplicates: Temporarily move out of borrowed content

duplicates: Writing a generic function that takes an iterable container as parameter in Rust

duplicates: Why does Iterator::take_while take ownership of the iterator?

duplicates: Return struct member inside Rc<RefCell<Foo<T>>> borrow

duplicates: changing some mutable fields in a mutable method

duplicates: Unable to compile a Rust builder pattern because a borrowed value does not live long enough

duplicates: How to avoid 'cannot borrow `*self` as mutable because it is also borrowed as immutable' of a closure?

duplicates: What is the difference between '&self' and '&'a self'?

duplicates: HashMap inside struct error: cannot move out of xxx which is behind a shared reference

duplicates: Why does the Rust compiler request I constrain a generic type parameter's lifetime (error E0309)?

duplicates: Cannot infer appropriate lifetime for autoref when calling a method from an Iterator implementation

duplicates: Returning a boxed iterator over a value in a structure

duplicates: Thread references require static lifetime?

duplicates: Cannot move out of borrowed content in loop

duplicates: How to modify a HashMap with vector values?

duplicates: Why are variables of primitive data types still accessible after being moved?

duplicates: Immutable reference after mutable borrow

duplicates: What is the paradigmatic way to create a Rust tree with a parent pointer?

duplicates: Cannot borrow `*x` as mutable because it is also borrowed as immutable

duplicates: How pass self mutable reference after accessing its struct member?

duplicates: How to limit an CLI argument to an enum?

duplicates: Why isn't it possible to compare a borrowed integer to a literal integer?

duplicates: What are Rust's exact auto-dereferencing rules?

duplicates: How do I extract a value from a tuple struct?

duplicates: Sharing a struct with trait objects as properties across threads

duplicates: How to use a reference to the underlying data protected by a Arc<RwLock<T>>?

duplicates: How do I bind the `Output` type of operator traits in Rust?

duplicates: Compile error: cannot assign to `self.root.next` because it is borrowed

duplicates: Confusion about Rust HashMap and String borrowing

duplicates: What happens to the stack when a value is moved in Rust?

duplicates: Return a map iterator which is using a closure in Rust

duplicates: How do I implement generic commutative std::ops involving a builtin type for trait objects?

duplicates: How to prevent a value from being moved?

duplicates: How do I cast a u64 value to a generic numeric type?

duplicates: Borrow pointer errors recursively traversing tree

duplicates: Cannot mutably borrow field of immutable binding

duplicates: Wrong number of type arguments when passing openssl::rsa::Rsa as a parameter

duplicates: Do lifetime parameters in `*(&'a mut self)` methods confuse the BorrowChecker?

duplicates: Method that returns reference to value created in the method?

duplicates: How do I return a new &str slice from a Rust function?

duplicates: Rust match fails because of unreachable pattern

duplicates: How do I make format! return a &str from a conditional expression?

duplicates: How to create alphabet array during compile time?

duplicates: Is there a built-in way to compare two Iterators?

duplicates: Cannot print a process::Command because "borrowed value does not live long enough"

duplicates: Need holistic explanation about Rust's cell and reference counted types

duplicates: Adding an append method to a singly linked list

duplicates: How to workaround Rust's borrow check of HashMap?

duplicates: How do I use floating point number literals when using generic types?

duplicates: Can I write an Iterator that mutates itself and then yields a reference into itself?

duplicates: Why does the compiler complain about borrowing a field as immutable even though my function does not access that field in any way?

duplicates: When I can use either Cell or RefCell, which should I choose?

duplicates: Why must a I specify a lifetime when using a generic type reference in Rust?

duplicates: Is there way to make stuct, contains inner references?

duplicates: Using `pop3::POP3Stream::connect` to connect to runtime given `host`?

duplicates: Rust mutable/inmutable borrow error in closure

duplicates: Passing mutable self reference to method of owned object

duplicates: How do you create a generic function in Rust with a trait requiring a lifetime?

duplicates: how to replace member of a structure using this member's method which consume this member itself?

duplicates: Rust cannot move out of `self.unspent_outputs` which is behind a shared reference error

duplicates: Implement an iterator which lazily fetches data from another struct

duplicates: How to define a variable that conforms to a trait in Rust?

duplicates: How do I pass a mutable vector as a function parameter in Rust?

duplicates: How do I implement Hash for Cell<MyType> in order to put it into a set?

duplicates: Rust lifetime in struct with thread_local

duplicates: How to store and use an `Arc<dyn FnMut>`?

duplicates: What is the most idiomatic way of using struct methods that modify the struct's internal state from within a loop?

duplicates: How can I mutate other elements of a HashMap when using the entry pattern?

duplicates: Pass self reference to contained object's function

duplicates: Providing an implementation when both trait and type are not in this crate

duplicates: How to add lifetime to object in a Vec<Box<_>> owned by Self?

duplicates: Cannot create a generic function that uses a literal zero

duplicates: captured variable does not outlive the enclosing closure

duplicates: How do I overload an operator using higher ranked trait bounds?

duplicates: error: `line` does not live long enough but it's ok in playground

duplicates: Why does my variable not live long enough?

duplicates: Why can't I store a value and a reference to that value in the same struct?

duplicates: Multiple iterations of vector with structs "cannot move out of borrowed content"

duplicates: Why does the compiler not complain when you don't write the full path for enum pattern matching?

duplicates: How to multi-thread function calls on read-only data without cloning it?

duplicates: Mixing mutable and immutable references to a HashMap

duplicates: Creating a struct with a generic trait for field. Expected struct<trait> found struct<type that implements said trait>

duplicates: How do I fix "wrong number of type arguments" while trying to implement a method?

duplicates: How to imply returning a value that uses dynamic dispatch in Rust?

duplicates: Rust cannot infer an appropriate lifetime

duplicates: Borrowing reference and guard together from a Mutex

duplicates: How do I implement the Add trait for a reference to a struct?

duplicates: Modify a struct while iterating over an Iterable in the struct

duplicates: Cannot move out of borrowed content with optional members passed as argument

duplicates: “borrowed value does not live long enough” when using .lines()

duplicates: How to call a method that consumes self on a boxed trait object?

duplicates: How to re-assign a &mut value while traversing a linked list with a while loop?

duplicates: "Expected type parameter" error in the constructor of a generic struct

duplicates: Impl Add for type alias tuple (f64, f64)

duplicates: Accessing mutable reference with getter not working as expected

duplicates: Lifetime compiler error for implementing custom iterator.

duplicates: Optionally push item to Vec or return existing item

duplicates: How can I organize multiple references to the same object in Rust with reference counting?

duplicates: Convert literal to associated type in generic struct implementation

duplicates: Reference to unwrapped property fails: use of partially moved value: `self`

duplicates: Executing actions on a HashMap depending on whether a key exists or not

duplicates: How to return a reference to a sub-value of a value that is under a mutex?

duplicates: How do I declare an instance of one of my Rust structs as static?

duplicates: Expected type `bool`, found type `&bool`

duplicates: Rust lifetime - variable does not live long enough error

duplicates: Cannot borrow mutably from a RefCell<FnMut>

duplicates: How do I solve "cannot borrow `*self` as mutable because `self.bundles` is also borrowed as immutable" in the following context?

duplicates: Avoiding calling both contains_key and get_mut on HashMap

duplicates: Why can't I return reference to a struct when it contains Arc<sub-field> but can with just a sub-field?

duplicates: Cannot borrow variable as mutable more than once at a time after calling a &'a mut self method

duplicates: How can I model a bidirectional map without annoying the borrow checker?

duplicates: In Rust is it possible to share data between multiple threads without having it static lifetime?

duplicates: How do I conditionally iterate over a range or a reversed range?

duplicates: Outer object owning referencing inner object

duplicates: Returning a value borrowed from inside a closure

duplicates: cannot move out of borrowed content when unwrapping a member variable in a &mut self method

duplicates: Is there a way to use the value of an element from a map to update another element without interior mutability?

duplicates: Cannot borrow `x` as mutable more than once at a time

duplicates: Simultaneous mutable access to arbitrary indices of a large vector that are guaranteed to be disjoint

duplicates: Why can impl trait not be used to return multiple / conditional types?

duplicates: How to use a loop to descend and insert into a binary tree in Rust?

duplicates: Why "explicit lifetime bound required" for Box<T> in struct?

duplicates: How can I mutably share an i32 between threads?

duplicates: How to write a generic non-Copy smallest divisor using a functional style?

duplicates: Why is a borrow still held in the else block of an if let?

duplicates: How to abstract over a reference to a value or a value itself?

duplicates: Mutating one field while iterating over another immutable field

duplicates: How to implement a Rust constructor that's parameterized on an integer?

duplicates: Second mutable borrow error with only one mutable borrow

duplicates: Rust - cannot infer an appropriate lifetime for autoref due to conflicting requirements

duplicates: Right way to have Function pointers in struct

duplicates: Matching a generic parameter to an associated type in an impl

duplicates: Can you specify a non-static lifetime for threads?

duplicates: Why I can return a reference of a value which not lives long enough?

duplicates: How to use impl trait in the return position if there is a conditional statement

duplicates: How do I store a temporary reference to the "current" node when iteratively recursing through a binary tree?

duplicates: Replacing values in Rust causing "cannot move out of borrowed content"

duplicates: Why can a struct holding a Box<T> not be copied?

duplicates: What's the best way to have a struct that contains a reference to another struct of the same type?

duplicates: What ways exist to create containers of several types?

duplicates: Temporarily move object from one member to another member in the same struct?

duplicates: What is the difference between iter and into_iter?

duplicates: Cannot borrow as mutable more than once at a time in one code - but can in another very similar

duplicates: Why isn't this rvalue promoted to an lvalue as specified in the reference?

duplicates: How to specify that threads should not outlive the function they were created in?

duplicates: How to make mutable pointer to field of node of tree and mutate it?

duplicates: Implementing computational graph in Rust

duplicates: Why is indexing a mutable vector based on its len() considered simultaneous borrowing?

duplicates: How do I extract two mutable elements from a Vec in rust

duplicates: How to handle "cannot return value referencing temporary value"?

duplicates: How do I require a generic type implement an operation like Add, Sub, Mul, or Div in a generic function?

duplicates: Can not move out of borrowed content in struct getters

duplicates: Type arguments with block-level lifetime

duplicates: Borrow checker doesn't realize that `clear` drops reference to local variable

duplicates: How can one struct own both a sequence and an iterator on the sequence?

duplicates: mismatched types: Expected struct, found associated type

duplicates: How can I convince the borrow checker to allow me to cache values?

duplicates: How to respond with a different value depending on the state of the Rocket server?

duplicates: How to return a struct with a reference to self in Rust?

duplicates: Implement graph-like datastructure in Rust

duplicates: How to make a struct as a owner of an string at the same time storing a reference of this string?

duplicates: How to use numeric literals with num::Integer types?

duplicates: Cannot move out of borrowed content / cannot move out of behind a shared reference

duplicates: How to format output to a byte array with no_std and no allocator?

duplicates: How does for<> syntax differ from a regular lifetime bound?

duplicates: Can't use mutable slice where immutable slice is fine

duplicates: Indexing a struct member Vec with a member HashMap in Rust

duplicates: Cannot move out of dereference of `&mut`-pointer when calling Option::unwrap

duplicates: Is it possible to return a trait from a trait that depends on the arguments?

duplicates: Why is adding a lifetime to a trait with the plus operator (Iterator<Item = &Foo> + 'a) needed?

duplicates: Removing a HashMap entry inside a match arm that borrowed a value from the map

duplicates: Casting a primitive type to T (which is also primitive) is Rust

duplicates: Proper way to access Vec<&[u8]> as strings

duplicates: What is difference between `mut a: &T` and `a: &mut T`?

duplicates: Idiom to get or create mutable collection from map member fields

duplicates: How can I return a value that uses a trait as a type/interface?

duplicates: How can I move ownership of a function argument?

duplicates: How do you define a function parameter that can accept a Vec or anything that can be iterated?

duplicates: Idiomatic way to define functionality for all primitive integer types

duplicates: Why can `Box<T> where T: Trait` not be passed as a parameter?

duplicates: What is the owner of literal reference such as &4 in Rust?

duplicates: Satisfying lifetimes for function arguments

duplicates: What are my options to create a const or static string as the result of a function call in Rust?

duplicates: How to split the lines of a CSV on commas and save the results in memory?

duplicates: Creating a thread-safe wrapper for an executable closure

duplicates: Why is it allowed to pass the parameter value by reference with the duplicated sign &?

duplicates: Convert format!() from String to &'static str

duplicates: How to define a copyable struct containing a String?

duplicates: How do I create a static, global Mutex to count the number of instances of a FFI being used?

duplicates: Cannot borrow variable as mutable more than once at a time

duplicates: Parameter type may not live long enough?

duplicates: "borrowed value does not live long enough" when using the builder pattern

duplicates: Do all primitive types implement the Copy trait?

duplicates: How to create composite iterators with simple types

duplicates: Borrowed value does not live long enough when iterating over a generic value with a lifetime on the function body

duplicates: What is the correct way to get values via a method without moving it?

duplicates: How do I declare a generic function which can add together references to sparse vectors?

duplicates: Iterate over linked structs wrapped in Rc<T> and update them

duplicates: The trait `FnMut<(char,)>` is not implemented for `String` when trying to split a string

duplicates: Create an iterator and put it into a new struct without bothering the borrow-checker

duplicates: Get value from map and modify map in same scope

duplicates: str::contains doesn't work when the supplied input is a string reference

duplicates: Forwarding Parameter References to Functions in Rust

duplicates: Calling two member functions that work with different fields at the same time

duplicates: The lifetime of self parameter in Rust when using threads

duplicates: Generics Error: expected type parameter, found struct

duplicates: Building a HashMap where the key is a field in the structure and the value is the structure itself

duplicates: Using generic iterators instead of specific list types

duplicates: A confusion with an example of Rust's lifetime checking

duplicates: Can't build a rusqlite transaction inside loop: use of moved value and cannot borrow as mutable more than once at a time

duplicates: How can I conditionally add or update a map when I'm moving a value into it?

duplicates: How do I create a Rust HashMap where the value can be one of multiple types?

duplicates: What is the equivalent of Option::take() for a Vec<T>?

duplicates: cannot borrow variable as mutable because it is also borrowed as immutable while building a self-referential HashMap

duplicates: Not understanding how to access the elements of a vector in Rust

duplicates: How to consume and replace a value in an &mut ref

duplicates: How to use a method on a struct when using multiple threads in Rust?

duplicates: How I can get mutable element from Vec in Rust

duplicates: Variable said to be immutable even if declared as mutable

duplicates: How can I share references across threads?

duplicates: If BufReader takes ownership of a stream, how can I read and write lines on it?

duplicates: Immutable borrow tied to mutable borrow causes "cannot borrow `*self` as mutable more than once at a time"

duplicates: What is a minimal example of an Rc dependency cycle?

duplicates: How do I cast generic T to f32 if I know that it's possible?

duplicates: What lifetimes do I use to create Rust structs that reference each other cyclically?

duplicates: Specify common implementation in Box to work with a match

duplicates: How to convert a String into a &'static str

duplicates: How do I return a Rust closure from a function?

duplicates: How to let borrow checker know reference is no longer present?

duplicates: I can't understand the lifetime issue in this MCVE inspired from my code for a ODE solver

duplicates: How do I conditionally return different types of futures?

duplicates: Set a field of a struct to reference to self at creation

duplicates: Why do I get an error "cannot define inherent `impl` for a type outside of the crate where the type is defined" when writing an impl for a type alias?

duplicates: Incompatible types with correct function signatures

duplicates: Force output of + operator to be the same as its input in a function?

duplicates: cannot borrow as immutable because it is also borrowed as mutable

duplicates: Lifetimes when Deserializing JSON within a FromForm

duplicates: Is it possible to call a member closure from another member closure?

duplicates: How to create a struct with a Vec and a HashMap that refers to the Vec elements?

duplicates: How do I pass a reference to mutable data in Rust?

duplicates: Confused by "temporary value dropped here while still borrowed"

duplicates: Can I transfer ownership of local variables and references to them to a returned iterator?

duplicates: What's the usual way to create a vector of different structs?

duplicates: Misunderstanding about why a borrowed value does not live long enough

duplicates: How to fix error: E0277 Could not compile `bindgen-tutorial-bzip2-sys, in Rust bindgen to C libraries?

duplicates: Read and Write on same TcpStream in Rust

duplicates: How do I return a reference to something inside a RefCell without breaking encapsulation?

duplicates: match statement borrowed value does not live long enough

duplicates: How to use the same iterator twice, once for counting and once for iteration?

duplicates: Is it possible to #[derive] traits on crate-included structs?

duplicates: How can I force a std::ops trait to have a specific generic output?

duplicates: Share a struct with protected non-Send through threads

duplicates: Specifying static lifetime of value in `main` so callback can borrow

duplicates: Conflicting lifetime requirement, when iterator yields new vector

duplicates: Cannot figure out how Rust's borrow checker is working on this example

duplicates: What is the difference between a slice and an array?

duplicates: How to lookup from and insert into a HashMap efficiently?

duplicates: Is there a way to push borrows of a variable that was created inside a function to a Vec?

duplicates: Why does this iterator drop when not called directly as a function argument?

duplicates: Why do I get the error "cannot borrow x as mutable more than once"?

duplicates: Lifetime error when deserializing a response from an HTTP request

duplicates: Do I have to write the whole type of the iterator?

duplicates: Restructuring match statement to satisfy borrow checker

duplicates: Implement foreign trait for foreign type

duplicates: Iterating through a Vec within a struct - cannot move out of borrowed content

duplicates: Conditionally iterate over one of several possible iterators

duplicates: How can I convert a temporary String to a &str?

duplicates: What is the difference between `&mut` on the type and the ident in a function signature?

duplicates: Return a value from a HashMap that is inside a RefCell

duplicates: How to implement the std::hash::Hash trait on external data types in Rust?

duplicates: Method call on clap::App moving ownership more than once

duplicates: How to sequentially create an array of &'static str in Rust with a loop?

duplicates: Implementing a search() method to handle optional case sensitivity

duplicates: We can have multiple mutable references of the same data in the same scope, can't we?

duplicates: Is there an elegant solution to calling a struct's mutating method from another mutating method?

duplicates: How do I call a function through a member variable?

duplicates: Borrow two mutable values from the same HashMap

duplicates: Into trait implemented for arbitrary types in Rust

duplicates: Is it impossible to match a value outside a fold's closure?

duplicates: How can I use the format! macro in a no_std environment?

duplicates: cannot move out of borrowed content when iterating the loop

duplicates: How can I fix the error E0277: the trait bound `[usize]: std::marker::Sized` is not satisfied?

duplicates: How does Rust move stack variables that are not Copyable?

duplicates: Check a mutable object and then alter it using a member of the object

duplicates: How can I pass a variable initialized in main to a Rocket route handler?

duplicates: Rust: Is there a difference between position of a mutable tag?

duplicates: How to avoid borrowing a Vec as mutable twice in different match arms?

duplicates: How do I keep a mutable reference to the last node while building a linked list?

duplicates: Get `&'a str` with longer lifetime than the current function from a `String`

duplicates: E0308 mismatched types with simple generic function

duplicates: Cannot borrow as mutable more than once a at a time / Cannot infer an appropriate lifetime parameter

duplicates: What are the options to end a mutable borrow in Rust?

duplicates: Cannot borrow x as mutable because it is also borrowed as immutable

duplicates: "Expected lifetime parameter" error in minimal futures callback example?

duplicates: Lifetime of variables passed to a new thread

duplicates: Vector store mixed types of data in Rust

duplicates: Cannot split a string into string slices with explicit lifetimes because the string does not live long enough

duplicates: Insert value into `HashMap` and get reference to that value

duplicates: How to get then modify value of a HashMap during iteration in Rust?

duplicates: Getting error "the trait `std::ops::FnMut<(char,)>` is not implemented for `std::string::String`" for a simple type mismatch

duplicates: How to make a new associated function with a struct that has a closure member?

duplicates: Why is 'data' still borrowed at the end of my function?

duplicates: Is there some unsafe way to take ownership of a contained value in order to mutate it?

duplicates: Rust generic type that can either own or borrow its content

duplicates: What is wrong with borrowing self in classic singly-linked list implementation

duplicates: Error when using operators with a generic type

duplicates: How do I pass modified string parameters?

duplicates: How to use `core::fmt` to format to a fixed size buffer on the stack?

duplicates: the `map` method cannot be invoked on a Iterator<T> trait object

duplicates: Constructor generating a closure for struct with closure field

duplicates: How can I pass a reference to a stack variable to a thread?

duplicates: What is the cited problem with using generic type parameters in trait objects?

duplicates: Rust error: borrow occurs after drop a mutable borrow

duplicates: Lifetime troubles sharing references between threads

duplicates: Store vector and cycle iterator to it in a struct

duplicates: What's the difference between these two functions in Rust about Reference?

duplicates: How do I express a guarantee that one thread will outlive another, allowing me to share references without 'static?

duplicates: How to express integers other than zero and one in generic code using the num crate?

duplicates: Why is the `Sized` bound necessary in this trait?

duplicates: Why does println! work only for arrays with a length less than 33?

duplicates: How to resolve borrow and mutability hell in such project?

duplicates: Why does match not work while PartialEq/Eq works fine?

duplicates: Is there a simple way to use an integral generic type in Rust?

duplicates: Static lifetime for a temporary variable?

duplicates: Change object type between implemented traits

duplicates: How can I transparently allocate an internal object in Rust?

duplicates: What types are valid for the `self` parameter of a method?

duplicates: The trait bound `futures::Future<Item=Arc<T>, Error=Box<Error + Send>>: Send` is not satisfied

duplicates: Is it possible to return either a borrowed or owned type in Rust?

duplicates: Destruction order involving temporaries in Rust

duplicates: Is there a way to add elements to a container while immutably borrowing earlier elements?

duplicates: Rust: store string and substrings in same struct

duplicates: Structs with slices pointing to data in themselves

duplicates: Struct that has a value of a struct with a generic type

duplicates: Is it possible to set default values for type-parameterized fields of a struct?

duplicates: Is it possible to transfer ownership other than by using a move or Box?

duplicates: Match behaves strangely when using only one of the two enum possible values in local scope

duplicates: Returning Self to avoid moving out of borrowing content

duplicates: Why would a function taking no arguments and returning a reference have a lifetime error?

duplicates: How to call method with &mut self from inside another method of the same type?

duplicates: Move a variable that is owned by &mut self to another thread without cloning/copying

duplicates: "use of moved value" when trying to use the same resource two times

duplicates: Where to store TcpStream to share with BufReader and BufWriter

duplicates: How do I resolve "implementation of serde::Deserialize is not general enough" with actix-web's Json type?

duplicates: How to call a member method while inside block with mutable reference to self

duplicates: How to model complex recursive data structures (graphs)?

duplicates: Vector of strings reports the error "str does not have a constant size known at compile time"

duplicates: Is there a cleaner way to mutate vectors in hashmaps?

duplicates: How can I create 100 distinct labels with type &'static str?

duplicates: Builder pattern - borrowed value does not live long enough

duplicates: How to implement a Rust function that modifies multiple elements of a vector?

duplicates: Cannot call a function in a spawned thread because it "does not fulfill the required lifetime"

duplicates: Cannot borrow immutable borrowed content as mutable when implementing a binary tree with Rc

duplicates: How do I move out of a struct field that is an Option?

duplicates: the trait cannot be made into an object in Vec

duplicates: How can I work with a vector of elements that implement a specific trait without knowing the concrete type of each element?

duplicates: How do you Implment fmt::Display for an array or slice of type T in Rust?

duplicates: Closure referring to a method of self: borrow error

duplicates: Variable does not live long enough using match

duplicates: Can different threads write to different sections of the same Vec?

duplicates: How to store hyper::server::Server with a default handler as a struct field in a constructor?

duplicates: How to store rusqlite Connection and Statement objects in the same struct in Rust?

duplicates: How would I create a function-local static `HashSet<char>` and initialize it once?

duplicates: Wrong number of type arguments: expected 1 but found 0

duplicates: Why does printing a pointer print the same thing as printing the dereferenced pointer?

duplicates: How do I implement Copy and Clone for a type that contains a String?

duplicates: Borrow a value wrapped in an Option using a method

duplicates: How to give each CPU core mutable access to a portion of a Vec?

duplicates: How can I write a generic function that works for deserializing multiple output types from TOML?

duplicates: Why do Arc and Mutex allow me to change the value of an immutable variable?

duplicates: How to implement Copy trait for Custom struct?

duplicates: Is there any way to convert a String to a enum with fields (a named struct enum)?

duplicates: How to return early from a Rust function that returns a future?

duplicates: what is the difference between String::from and mut x = "some string" in rust

duplicates: How do I concatenate strings in a no_std environment?

duplicates: Implementing a generic incrementable trait in Rust

duplicates: temporary value does not live long enough at custom struct

duplicates: returns a value referencing data owned by the current function

duplicates: What are the differences between Rust's `String` and `str`?

duplicates: How do we return a reference to a HashMap value from a method in a struct that owns the HashMap?

duplicates: match .get() for None: how to avoid useless borrow?

duplicates: Sharing mutable self between multiple threads

duplicates: Vec of Generics of Different Concrete Types

duplicates: Unable to return command line args from function

duplicates: Why does the borrow checker care if my function uses something that it's not returning?

duplicates: How do I write an iterator that returns references to itself?

duplicates: Yet again: "expected type parameter, found struct"

duplicates: Iterator returning a reference to itself

duplicates: How to handle the lifetime of a buffer in a generic function deserializing from a file?

duplicates: How to require that the associated types from two traits are the same?

duplicates: Why does my FooGen type not satisfy the RefGen trait bound?

duplicates: How do I convert a Vec<MyStruct> to a Vec<String> then to a Vec<&str> in a single step?

duplicates: How to return a value and a reference to a portion of that value?

duplicates: What are idiomatic ways to send data between threads?

duplicates: Can't mutably borrow in else block of if-let statement

duplicates: "borrowed value does not live long enough", but why do we need it to live so long?

duplicates: How to store and retrieve objects in a container that mutate themselves & the container

duplicates: Rust: Cannot create a structure storing values and references to these values

duplicates: How to store global state in Rust when using wasm-bindgen?

duplicates: How can I create my own data structure with an iterator that returns mutable references?

duplicates: How do I use unsized types/traits in Rust?

duplicates: Expected String, found &str when matching an optional string

duplicates: How does adding braces to a variable prevent it from being borrowed (owned?) by a match?

duplicates: How to share heap allocated vector of boxed trait type across threads

duplicates: Recommended way to wrap C lib initialization/destruction routine

duplicates: Using the same iterator multiple times in Rust

duplicates: Rust trait for "can provide an iterator whose elements live as long as itself"

duplicates: Why do I get the error E0277: the size for values of type `[{integer}]` cannot be known at compilation time?

duplicates: Passing `self` reference while iterating through a member

duplicates: How to design a struct when I need to reference to itself

duplicates: Why does modifying a mutably borrowed variable and keeping it unused not throw an error

duplicates: Cannot move out of borrowed content when unwrapping

duplicates: Recursive structs error lifetime (cannot infer an appropriate lifetime for lifetime parameter in function call... [E0495])

duplicates: Issue with HashMap and borrowing as mutable more than once at a time

duplicates: How do I keep internal state in a WebAssembly module written in Rust?

duplicates: Is there a way to use locked standard input and output in a constructor to live as long as the struct you're constructing?

duplicates: How to store values in a vector and refer to them from another?

duplicates: How to store object and its reference in struct

duplicates: Simple as possible example of returning a mutable reference from your own iterator

duplicates: Mutating the same external state with multiple closures

duplicates: Lifetime of returned Boxed value does not live long enough

duplicates: Can I avoid recompiling my platform layer without `static mut`?

duplicates: How to get mutable references to two array elements at the same time?

duplicates: Why can't const functions in Rust make calls to associated functions?

duplicates: Does a for loop operate on references or by value?

duplicates: String::contains(String) gives "the trait bound String: FnMut<(char,)>` is not satisfied"

duplicates: rust function returns re-borrowed reference creates multiple mutable reference

duplicates: How can I change the object I am referring to while still being able to evaluate expressions on it and access its fields?

duplicates: Program with multiple ampersand works fine

duplicates: Is there a different way to return strings allocated in Rust to C than to use static mut

duplicates: How to make a struct field containing an Arc writable?

duplicates: Rust borrow checker prevents reuse after end of scope

duplicates: How do I implement a trait I don't own for a type I don't own?

duplicates: Rust mutable borrow seems to live for too long

duplicates: Why does this value not live long enough?

duplicates: How can I create a static String in Rust?

duplicates: How to implement Add trait for another trait from external crate

duplicates: How can I send non-static data to a thread in Rust and is it needed in this example?

duplicates: How to create a trait with a method that requires the implementors to implement serde::Deserialize

duplicates: How can I solve "use of moved value" and "which does not implement the `Copy` trait"?

duplicates: Borrowing error when pushing reference into vector that is on the same scope

duplicates: Store immutable instances of Rust struct, but where?

duplicates: Rust lifetime with a vec! does not work as intended

duplicates: match arms: "mismatched types expected (), found integral variable"

duplicates: Cannot borrow immutable borrowed content as mutable

duplicates: What does it mean to pass in a vector into a `for` loop versus a reference to a vector?

duplicates: Why dynamic closure(closure as trait object) becomes unusable after putting behind Rc<RefCell<T>>?

duplicates: How to modify a borrowed HashMap after one branch has returned from the function?

duplicates: HashMap borrow issue when trying to implement find or insert

duplicates: More elegant way to match after HashMap-value than cloning it

duplicates: Why is this & lifetime different than &mut lifetime?

duplicates: Mutable borrow errors while implementing a linked list where new elements are added to the end in Rust

duplicates: How to declare a const String in stable Rust?

duplicates: How do I recursively follow a self-referential Rc?

duplicates: Cannot use moved BufReader after for loop with bufreader.lines()

duplicates: What do I have to do to solve a "use of moved value" error?

duplicates: Cannot move out borrowed content inside closure

duplicates: error[E0507]: Cannot move out of borrowed content

duplicates: How to write a Rust function that takes an iterator?

duplicates: Can't move out of borrowed content using unwrap in if statement

duplicates: Compilation error while trying to implement an iterator that borrows some data and owns other data

duplicates: What is the optimal way to convert a `usize` to a `&str`?

duplicates: Is passing an iterator to a function as an argument an anti-pattern?

duplicates: How to modify each section of a vector in multiple threads

duplicates: How do I specify that a function takes a HashMap?

duplicates: How to return a calculated string from a function in Rust?

duplicates: Why is it impossible to dereference a boxed iterator trait object?

duplicates: Proper way to return a new string in Rust

duplicates: Why does calling a method on a mutable reference involve "borrowing"?

duplicates: Is it possible to return a reference created inside function scope?

duplicates: How can I create a context struct with sub-structs referencing the same object?

duplicates: Why do "large" arrays not implement std::fmt::Debug?

duplicates: How can I create an is_prime function that is generic over various integer types?

duplicates: How to overload an operator for a generic right-hand operand?

duplicates: Modifying HashMap in Rust (mutable borrow occurs here)

duplicates: Returning an object and references to it from one function

duplicates: How can I convert a Vec<String> to a &[&gtk::ToValue]?

duplicates: Is there a way to get ownership of a variable before reassigning it?

duplicates: Is it possible to populate a large set at compile time?

duplicates: Why is it discouraged to accept a reference to a String (&String), Vec (&Vec), or Box (&Box) as a function argument?

duplicates: cannot borrow data in a `&` reference as mutable in vector push

duplicates: Borrowing error while trying to read JSON from stdin

duplicates: "borrowed value does not live long enough" when using as_slice()

duplicates: Modify multiple elements of a slice/collection at the same time

duplicates: Packaging common function arguments into struct - reducing repetition, fighting borrow checker

duplicates: Calling a method on a value inside a mutable Option

duplicates: How do I use static lifetimes with threads?

duplicates: How to implement Eq and Hash for my own structs to use them in HashMap?

duplicates: Why is it that traits for operator overloading require ownership of self?

duplicates: How does the dropping of temporary values work in rust?

duplicates: How do I share a generic struct between threads using Arc<Mutex<MyStruct<T>>>?

duplicates: How do I create a heterogeneous collection of objects?

duplicates: How do I update a variable in a loop to a reference to a value created inside the loop?

duplicates: How do I tell Rust that something implements a trait?

duplicates: Closure vs. function declaration in struct

duplicates: When would an implementation want to take ownership of self in Rust?

duplicates: How do I read lines from a file while skipping those matching a certain pattern?

duplicates: How can I clone a FnBox closure when it cannot be put into an Arc?

duplicates: How do I print slices or arrays of my struct if I've implemented fmt::Display?

duplicates: Why does the compiler tell me to consider using a `let` binding" when I already am?

duplicates: Error E0201 when implementing foreign trait for local type with parameter

duplicates: What's the idiomatic way to make a lookup table which uses field of the item as the key?

duplicates: Is it possible to borrow parts of a struct as mutable and other parts as immutable?

duplicates: Calling method on &mut self after accessing property in Rust

duplicates: How to transfer ownership or extract a mutable reference from a struct

duplicates: How to compose operations when using generic types in a generic function?

duplicates: How can I call a mutating method while holding a reference to self?

duplicates: Returning a RWLockReadGuard independently from a method

duplicates: How do you replace the value of a mutable variable by taking ownership of it?

duplicates: How can I index a collection of records by one of their field?

duplicates: Is there a way to deplete an iterator after calling Iterator::take?

duplicates: Preserve lifetime of an argument in another object

duplicates: How do I solve the error "the precise format of `Fn`-family traits' type parameters is subject to change"?

duplicates: How to end borrow when an Option is None

duplicates: Why is this match pattern unreachable when using non-literal patterns?

duplicates: Problems with function invocation lifetime parameter when processing elements in threads

duplicates: Rust borrow mutable self inside match expression

duplicates: How do I clone a closure, so that their types are the same?

duplicates: What options are available to manage the error "cannot borrow `*self` as mutable/immutable"?

duplicates: How to pass a HashMap to a function in Rust

duplicates: "borrowed value does not live long enough" seems to blame the wrong thing

duplicates: Bind a reference to a struct property to a variable inside a function returning a mutable reference

duplicates: Can't read input in a loop and convert to Vector in Rust

duplicates: How can I store a Chars iterator in the same struct as the String it is iterating on?

duplicates: What changed in Rust that allows this borrow after a mutable borrow?

duplicates: Why does calling iter on both an array and a reference to an array work?

duplicates: How to pattern-match against an enum variant that wraps a String?

duplicates: What is correct Rust syntax in this program?

duplicates: Processing vec in parallel: how to do safely, or without using unstable features?

duplicates: How can I sum up using concurrency from 1 to 1000000 with Rust?

duplicates: How can I implement Deref for a struct that holds an Rc<Refcell<Trait>>?

duplicates: Take member ownership of borrowed struct

duplicates: Rust lifetime and ownership: need an hand

duplicates: rust: expected lifetime parameter problem

duplicates: Why can I not use `+=` on a mutable reference?

duplicates: Cannot borrow `*self` as mutable because `self.history[..]` is also borrowed as immutable`

duplicates: Specify lifetime of a returned reference to a closure

duplicates: Sharing objects for reading and writing in a single-threaded context

duplicates: Sharing read-only object between threads in Rust?

duplicates: Why does a mutable borrow of a closure through DerefMut not work?

duplicates: "does not live long enough" when creating a binary tree of references that can be passed between threads

duplicates: Why does refactoring by extracting a method trigger a borrow checker error?

duplicates: "Cannot move out of dereference `&`-pointer" with a vector

duplicates: Creating a collection of types that implement a trait with generic type parameters

duplicates: How to make a compiled Regexp a global variable?

duplicates: Lifetime of reference outlives borrowed content when using From trait bound

duplicates: Trying to create a general function that returns a deserialized value

duplicates: Using crossbeam scoped threads with vector chunks

duplicates: How can I swap in a new value for a field in a mutable reference to a structure?

duplicates: How to convert generic primitive types in rust?

duplicates: How do I borrow a RefCell<HashMap>, find a key, and return a reference to the result?

duplicates: Mutability issues with keeping a LineWriter immutable

duplicates: Ownership with copy of Cell-enclosed value

duplicates: What's the correct way to implement the equivalent of multiple mutable (statically allocated, statically dispatched, etc.) callbacks in Rust?

duplicates: How do I call a function that requires a 'static lifetime with a variable created in main?

duplicates: Idiomatic transformations for String, &str, Vec<u8> and &[u8]

duplicates: Is there a way to index vectors from 1 in Rust?

duplicates: What is the right smart pointer to have multiple strong references and allow mutability?

duplicates: How can I return any type that implements a given trait?

duplicates: How can I initialize fields of a struct in static context?

duplicates: rust: expected type parameter, found struct

duplicates: Lifetimes, Ownership and Borrowing in Rust; understanding how a "simple" conditional works

duplicates: Is it possible to take temporary ownership of a struct field?

duplicates: Cannot obtain a mutable reference when iterating a recursive structure: cannot borrow as mutable more than once at a time

duplicates: Is using an Arc really the best way to implement a counter shared between threads?

duplicates: Usage of a mutable global variable in a Rust module

duplicates: How to store types with varying parameters in a Vec?

duplicates: Call mutable method on value from mutable struct field

duplicates: How do I unwrap an Option when it's available or return a default reference value otherwise?

duplicates: Why doesn't a string literal vanish after going out of scope?

duplicates: Cannot create iterator and bind to a local variable

duplicates: How to implement an addition method of linked list?

duplicates: How can I constrain T in Rust to accept only numeric types?

duplicates: How to clone a struct storing a boxed trait object?

duplicates: Rust builder function of generic structure

duplicates: Conditionally returning immutable value preventing mutable borrow

duplicates: I can't get ownership of a value out of a function

duplicates: How to store JoinHandle of a thread to close it later

duplicates: How to limit the scope in which a value is borrowed in Rust?

duplicates: Why does Rust not deref &&String to &&str?

duplicates: How to use slice from mutable Vec as key in the HashMap

duplicates: How to specify lifetime on generic for thread

duplicates: What is the exact definition of the for loop in Rust?

duplicates: Visibility of set outside of infinite loop filling it

duplicates: How can I take two mutable borrows from different parts of a vector?

duplicates: How to overload call operator for custom defined type in Rust?

duplicates: the size for values of type X cannot be known at compilation time

duplicates: Is cloning a custom struct that can't implement Copy every time you want to use it the best way to do it?

duplicates: How do I implement a trait with a generic method?

duplicates: Can't borrow File from &mut self (error msg: cannot move out of borrowed content)

duplicates: How to pass a structure between functions which depends on another structure?

duplicates: Why thread in a struct raise a lifetime problem?

duplicates: How to unbox elements contained in polymorphic vectors?

duplicates: Storing reference to an element in Vec<Box<_>>

duplicates: Temporary value is freed at the end of this statement

duplicates: How to replace the value of a struct field without taking ownership

duplicates: Wrapping a struct that borrows something

duplicates: How can I have a recursive mutable borrow?

duplicates: Why use a reference to an immutable vector in a for loop?

duplicates: What is a good practice to represent a parent-children relationship between instances of the same type?

duplicates: How to initialize a BTreeMap within a const struct?

duplicates: Traits as a return value from a function

duplicates: Why can I not dereference or add a generic type even though I'm passing in a type that can be dereferenced and added?

duplicates: Extract chain of iterator calls to a helper function

duplicates: Can I get a static lifetime from Clap's arg parser?

duplicates: How to convert a Rust integer type to its string representation without allocating a String?

duplicates: Why is the bound `T: 'a` required in order to store a reference `&'a T`?

duplicates: How do I return a Filter iterator from a function?

duplicates: How do I manually implement the Copy trait for struct containing String?

duplicates: How to solve this rust lifetime bound issue of SDL2?

duplicates: Is there a way to perform an index access to an instance of a struct?

duplicates: How do I write the lifetimes for references in a type constraint when one of them is a local reference?

duplicates: rust: borrowed value must be valid for the static lifetime

duplicates: How can I create hashable trait objects / trait objects with generic method parameters?

duplicates: Trying to declare a String const results in expected type, found "my string"

duplicates: Cannot infer an appropriate lifetime when building an iterator that returns another iterator over a member variable

duplicates: How to init a constant matrix with ndarray?

duplicates: How can I return a reference of two concatenated strings in Rust

duplicates: How do I run parallel threads of computation on a partitioned array?

duplicates: How do I clone a HashMap containing a boxed trait object?

duplicates: How to use a struct's member as its own key when inserting the struct into a map without duplicating it?

duplicates: How to return new data from a function as a reference without borrow checker issues?

duplicates: Why does it look like a closure borrows self instead of a field of self?

duplicates: cannot borrow `self.hash` as mutable because it is also borrowed as immutable

duplicates: String's lifetime when returning Vec<&str>

duplicates: How to properly implement Iterable structure in Rust?

duplicates: Unable to return a vector of string slices: borrowed value does not live long enough

duplicates: How can I get an iterator of the same type from iter() and iter().rev()?

duplicates: How do I pass disjoint slices from a vector to different threads?

duplicates: Why does a function taking a reference to a generic care that the generic is Sized?

duplicates: How to default-initialize a struct containing an array in Rust?

duplicates: "borrowed value does not live long enough" when using `as_slice`

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