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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.
However, parser generators for context-free grammars often support the ability for user-written code to introduce limited amounts of context-sensitivity. (For example, upon encountering a variable declaration, user-written code could save the name and type of the variable into an external data structure, so that these could be checked against ...
Here, the list [0..] represents , x^2>3 represents the predicate, and 2*x represents the output expression.. List comprehensions give results in a defined order (unlike the members of sets); and list comprehensions may generate the members of a list in order, rather than produce the entirety of the list thus allowing, for example, the previous Haskell definition of the members of an infinite list.
In computer science, a generator is a routine that can be used to control the iteration behaviour of a loop. All generators are also iterators. [1] A generator is very similar to a function that returns an array, in that a generator has parameters, can be called, and generates a sequence of values.
Java: Application, business, client-side, general, mobile development, server-side, web Yes Yes Yes Yes Yes Yes Concurrent De facto standard via Java Language Specification JavaScript: Client-side, server-side, web Yes Yes Yes Yes No Yes prototype-based: Yes ECMA-262 standard Joy: Research No No Yes No No No Stack-oriented No jq "awk for JSON ...
cross-platform (Java / Eclipse) 2006 3.7.7 2018-12-04 Eclipse Public: actifsource: actifsource GmbH cross-platform (Java / Eclipse) 10.12.0 2021-02-22 Proprietary: DMS Software Reengineering Toolkit: Semantic Designs Windows 2001 2.0 Proprietary: DRAKON: Stepan Mitkin cross-platform (Tcl/Tk) 2011 1.27 2016-03-10 Free GeneXus: GeneXus Cross ...
For brevity, these words will have the specified meanings in the following tables (unless noted to be part of language syntax): funcN A function.
Language bindings allow it to be used from programming languages including Go, Haskell, Java, JavaScript (with Node.js and WASM), Kotlin, Lua, OCaml, Perl, Python, Ruby, Rust, and Swift. Tree-sitter parsers have been written for these languages and many others. [ 12 ]