Cool is a programming language recognized by GitHub Linguist and used with .cl.
Quick facts
What is Cool
Cool is a programming language recognized by GitHub Linguist and used with .cl.
GitHub Linguist classifies Cool as a programming language, typically using extensions such as .cl.
File extensions:
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Frequently asked questions
Cool is a programming language recognized by GitHub Linguist and used with .cl.
Common extensions include .cl.
Sources & standards
Updated 2026-08-18
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