Journal article Open Access

Scala Implicits Are Everywhere: A Large-Scale Study of the Use of Scala Implicits in the Wild

Krikava, Filip; Miller, Heather; Vitek, Jan


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        <foaf:name>Miller, Heather</foaf:name>
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        <foaf:name>Vitek, Jan</foaf:name>
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            <foaf:name>Northeastern University, Czech Technical University</foaf:name>
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    <dct:title>Scala Implicits Are Everywhere: A Large-Scale Study of the Use of Scala Implicits in the Wild</dct:title>
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    <dcat:keyword>Implicit parameters, implicit conversions, corpora analysis, Scala</dcat:keyword>
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    <dct:description>&lt;p&gt;The Scala programming language offers two distinctive language features implicit parameters and implicit&lt;br&gt; conversions, often referred together as implicits. Announced without fanfare in 2004, implicits have quickly&lt;br&gt; grown to become a widely and pervasively used feature of the language. They provide a way to reduce the&lt;br&gt; boilerplate code in Scala programs. They are also used to implement certain language features without having&lt;br&gt; to modify the compiler. We report on a large-scale study of the use of implicits in the wild. For this, we&lt;br&gt; analyzed 7,280 Scala projects hosted on GitHub, spanning over 8.1M call sites involving implicits and 370.7K&lt;br&gt; implicit declarations across 18.7M lines of Scala code.&lt;/p&gt;</dct:description>
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