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{{Short description|Interactive, extensible language with a base language similar to the language APL}}
{{Short description|Interactive, extensible language with a base programming language}}
{{redir|PPL (programming language)|the Hewlett-Packard calculator language|HP PPL}}
{{redir|PPL (programming language)|the Hewlett-Packard calculator language|HP PPL}}
The '''Polymorphic Programming Language''' ('''PPL''') was developed in 1969 at [[Harvard University]] by Thomas A. Standish. It is an [[interactive computing|interactive]], [[extensible programming|extensible]] language with a [[base language]] similar to the language [[APL (programming language)|APL]].<ref>{{cite journal |last=Standish |first=Thomas A. |date=August 1969 |editor1-last=Christensen |editor2-last=Shaw |title=Some features of PPL – a Polymorphic Programming Language |url=http://portal.acm.org/citation.cfm?id=1115858.1115864&coll=GUIDE&dl=GUIDE |volume=4 |issue=8 |pages=20-26 |doi=10.1145/1115858.1115864 |access-date=2018-06-23 |journal=ACM SIGPLAN Notices |language=en |edition=Proceedings of Extensible Language Symposium |location=ACM Digital Library |publisher=[[Association for Computing Machinery]]}}</ref>
The '''Polymorphic Programming Language''' ('''PPL''') was developed in 1969 at [[Harvard University]] by Thomas A. Standish. It is an [[interactive computing|interactive]], [[extensible programming|extensible]] language with a [[base language]] similar to the language [[APL (programming language)|APL]].<ref>{{cite journal |last=Standish |first=Thomas A. |date=August 1969 |editor1-last=Christensen |editor2-last=Shaw |title=Some features of PPL – a Polymorphic Programming Language |url=http://portal.acm.org/citation.cfm?id=1115858.1115864&coll=GUIDE&dl=GUIDE |volume=4 |issue=8 |pages=20-26 |doi=10.1145/1115858.1115864 |access-date=2018-06-23 |journal=ACM SIGPLAN Notices |language=en |edition=Proceedings of Extensible Language Symposium |location=ACM Digital Library |publisher=[[Association for Computing Machinery]]}}</ref>

Revision as of 03:55, 20 May 2022

The Polymorphic Programming Language (PPL) was developed in 1969 at Harvard University by Thomas A. Standish. It is an interactive, extensible language with a base language similar to the language APL.[1]

The assignment operator <- (or ) has influenced the language S.[2]

References

  1. ^ Standish, Thomas A. (August 1969). Christensen; Shaw (eds.). "Some features of PPL – a Polymorphic Programming Language". ACM SIGPLAN Notices. 4 (8) (Proceedings of Extensible Language Symposium ed.). ACM Digital Library: Association for Computing Machinery: 20–26. doi:10.1145/1115858.1115864. Retrieved 2018-06-23.
  2. ^ Chambers, John M. (November 1994). "Evolution of the S Language". Archived from the original (PostScript) on 2007-04-09. Retrieved 2009-05-06.