Editing First-class citizen (section)

{{Short description|Concept in programming language design}}
{{for|the usage in society|Second-class citizen}}
In a given [[Programming language#Design and implementation|programming language design]], a '''first-class citizen'''{{efn|Also known as '''first-class type''', '''first-class object''', '''first-class entity''', or '''first-class value'''.}} is an entity which supports all the operations generally available to other entities.  These operations typically include being passed as an [[Parameter (computer programming)|argument]], returned from a [[Function (computer programming)|function]], and assigned to a [[Variable (computer science)|variable]].<ref>{{cite book |title= Programming Language Pragmatics |last= Scott |first= Michael |year= 2006 |publisher= Morgan Kaufmann Publishers |location= San Francisco, CA |page= [https://archive.org/details/programminglangu00scot_912/page/n172 140] |isbn= 9780126339512 |url=https://archive.org/details/programminglangu00scot_912|url-access= limited }}</ref>