Utilities for handling with classes

Source: R/utilities.R

Utilities for handling with classes

add_class(x, class)

has_class(x, class)

remove_class(x, class)

set_class(x, class)

Arguments

x

An object
class

The class to add or remove

Value

The object x with the class added or removed.

Details

  • add_class(): add a class to the object x keeping all the other class(es).

  • has_class(): Check if a class exists in object x and returns a logical value.

  • set_class(): set a class to the object x.

  • remove_class(): remove a class from the object x.

Author

Tiago Olivoto tiagoolivoto@gmail.com

Examples

# \donttest{
library(metan)
df <-
data_ge2 %>%
add_class("my_class")
class(df)

#> [1] "tbl_df"     "tbl"        "data.frame" "my_class"  
has_class(df, "my_class")

#> [1] TRUE
remove_class(df, "my_class") %>% class()

#> [1] "tbl_df"     "tbl"        "data.frame"
set_class(df, "data_frame") %>% class()

#> [1] "data_frame"
# }