CLIPS (C Language Integrated Production System) was originally developed in the 1980s at NASA, making it a surprisingly old piece of AI technology still in use today.
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PureScript compiles to JavaScript, but unlike many other languages that do so, it enforces referential transparency by default, meaning functions always produce the same output for the same input, without side effects.
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OCaml's name originally stood for "Objective Caml," reflecting its object-oriented features, but the "Objective" is often dropped in modern usage.
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The Icon programming language, known for its unique features, was designed by Ralph Griswold, who also significantly contributed to the SNOBOL language.
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