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Scala (/ ˈ s k ɑː l ɑː / SKAH-lah) [7] [8] is a strong statically typed high-level general-purpose programming language that supports both object-oriented programming and functional programming. Designed to be concise, [ 9 ] many of Scala's design decisions are intended to address criticisms of Java .
List comprehension is a syntactic construct available in some programming languages for creating a list based on existing lists. It follows the form of the mathematical set-builder notation (set comprehension) as distinct from the use of map and filter functions.
This is a comparison of the features of the type systems and type checking of multiple programming languages. Brief definitions A nominal type system means that the language decides whether types are compatible and/or equivalent based on explicit declarations and names.
Other functional programming languages that have seen use in industry include Scala, [120] F#, [18] [19] Wolfram Language, [7] Lisp, [121] Standard ML [122] [123] and Clojure. [124] Scala has been widely used in Data science, [125] while ClojureScript, [126] Elm [127] or PureScript [128] are some of the functional frontend programming languages ...
For example, Scala's List is a covariant type constructor, so List[Nothing] is a subtype of List[A] for all types A. So Scala's Nil, the object for marking the end of a list of any type, belongs to the type List[Nothing]. In Rust, the bottom type is called the never type and is denoted by !. It is present in the type signature of functions ...
In a non-strict functional programming language, strictness analysis refers to any algorithm used to prove the strictness of a function with respect to one or more of its arguments. Such functions can be compiled to a more efficient calling convention , such as call by value , without changing the meaning of the enclosing program.
Project Current stable version Release date License; Apache Click: 2.3.0 2011-03-27 Apache 2.0 : Apache OFBiz: 18.12.17 [11] : 2024-11-11; 2 months ago Apache 2.0
In programming language theory, lazy evaluation, or call-by-need, [1] is an evaluation strategy which delays the evaluation of an expression until its value is needed (non-strict evaluation) and which also avoids repeated evaluations (by the use of sharing). [2] [3] The benefits of lazy evaluation include: