XL (programming language): Difference between revisions

Revision as of 05:08, 11 February 2019

Revision as of 12:22, 7 May 2019

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| caption =

| paradigm =

[[multi-paradigm programming language|Multi-paradigm]],: [[concept programming|Conceptconcept-oriented]], [[imperative programming|imperative]], [[functional programming|functional]]

| year = 2000

| designer = [[Christophe de Dinechin]]

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}}

{{Portal|Free and open-source software}}

'''XL''' stands for ("eXtensible Language. It") is the first and so far the only [[computer]] [[programming language]] designed to support concept programming.<ref>{{cite news|url=https://www.theregister.co.uk/2008/01/16/concept_programming |title=Dip into Concept Programming |first=Phil |last=Manchester |publisher=The Register |date=2008-01-16| accessdate=2010-02-03}}</ref>

XL features programmer-reconfigurable syntax and semantics. Compiler ''plug-ins'' can be used to add new features to the language. A base set of plug-ins implements a relatively standard [[imperative programming|imperative language]]. Programmers can write their own plug-ins to implement application-specific notations, such as [[derivative|symbolic differentiation]], which can then be used as readily as built-in language features.