Polymorphic Programming Language Explained

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]

Notes and References

  1. Standish . Thomas A. . August 1969 . Christensen . Shaw . Some features of PPL – a Polymorphic Programming Language . 4 . 8 . 20-26 . 10.1145/1115858.1115864 . 2018-06-23 . ACM SIGPLAN Notices . en . Proceedings of Extensible Language Symposium . ACM Digital Library . Association for Computing Machinery.
  2. Web site: Evolution of the S Language . https://web.archive.org/web/20070409042926/http://cm.bell-labs.com/cm/ms/departments/sia/doc/96.7.ps . dead . 2007-04-09 . Chambers . John M. . John Chambers (programmer) . November 1994 . 2009-05-06 . PostScript.

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