XL (programming language): Difference between revisions

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{{Portal|Free software}}

'''XL''' stands for eXtensible Language. It is athe first and so far the only [[computer]] [[programming language]] designed to support [[concept programming]], up to now the only one existing.<ref>{{cite news|url=http://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 similarlyas toreadily as built-in language features.

==Language==