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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.
Scala: Application, general, parallel, distributed, web Yes Yes Yes No Yes Yes Data-oriented programming, metaprogramming De facto standard via Scala Language Specification (SLS) Scheme: Education, general Yes No Yes No No No meta, extensible-syntax De facto 1975-2013, R 0 RS, R 1 RS, R 2 RS, R 3 RS, R 4 RS, R 5 RS, R 6 RS, R 7 RS Small Edition ...
In Scala 2, an ADT may be defined with: [citation needed] sealed abstract class Tree extends Product with Serializable object Tree { final case object Empty extends Tree final case class Node ( value : Int , left : Tree , right : Tree ) extends Tree }
The enclosed text becomes a string literal, which Python usually ignores (except when it is the first statement in the body of a module, class or function; see docstring). Elixir. The above trick used in Python also works in Elixir, but the compiler will throw a warning if it spots this.
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 .
Generally, var, var, or var is how variable names or other non-literal values to be interpreted by the reader are represented. The rest is literal code. Guillemets (« and ») enclose optional sections.
The Computer Language Benchmarks Game (formerly called The Great Computer Language Shootout) is a free software project for comparing how a given subset of simple algorithms can be implemented in various popular programming languages.
The influence of Scala in Kotlin can be seen in the extensive support for both object-oriented and functional programming [31] and in a number of specific features: there is a distinction between mutable and immutable variables (var vs val keyword) all classes are public and final (non-inheritable) by default