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{{Infobox array language | |||
| logo = [[File:Cosycube.gif]] | |||
| array model = [[List model|lists]] | |||
| index origin = 0 | |||
| function styles = Forth-like | |||
| released = 1984 | |||
| developer = Bob Armstrong | |||
| latest release version = 2021-12-27 (unversioned) | |||
| implementation language = [[wikipedia:Forth (programming language)|Forth]] (prev. APL, K) | |||
| source = [https://cosy.com/4thCoSy/ cosy.com] | |||
| platforms = dependent on Reva Forth | |||
| license = unspecified | |||
| website = [https://cosy.com/CoSy/ cosy.com] | |||
| influenced by = [[wikipedia:Forth (programming language)|Forth]], APL, [[K]] | |||
}} | |||
'''CoSy''' is a stack-based APL influenced language written by Bob Armstrong of Coherent Systems Inc. CoSy is implemented as a vocabulary of defined words that extends Reva [[wikipedia:Forth (programming language)|Forth]] to provide [[array]] capabilities. CoSy has been re-implemented twice. The original implementation was in [[Flat array model|flat]] APL, the second in [[K]], and finally the current implementation in Forth. | |||
== Features == | |||
CoSy has many major departures from the APL tradition: Most notably, it uses keywords for primitive functions. | |||
All arrays in CoSy are simple lists. This makes it comparable to [[K]] and [[RAD]]. Similar to those languages, it also allows usage of functions as data using Forth's quoting. | |||
== See also == | |||
* [[lang5]] | |||
== External links == | |||
* [https://concatenative.org/wiki/view/CoSy CoSy] on the concatenative language wiki | |||
{{APL dialects}}[[Category:List-based array languages]][[Category:Stack-based languages]][[Category:Left to right]][[Category:ASCII languages]] | |||