Refal is a programming language created in 1968. Refal (Recursive functions algorithmic language) "is functional programming language oriented toward symbol manipulation", including "string processing, translation, [and] artificial intelligence". It is one of the oldest members of this family, first conceived in 1966 as a theoretical tool with the first implementation appearing in 1968. Refal was intended to combine mathematical simplicity with practicality for writing large and sophisticated programs. Read more on Wikipedia...

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Example code from the Hello World Collection:

* Hello world in Refal

$ENTRY Go { = <Hello>;}
Hello {
   = <Prout 'Hello world'>;

Example code from Wikipedia:

Squeeze {
    '__'e.1 = <Squeeze '_'e.1>;
    s.A e.1 = s.A <Squeeze e.1>;
    = ; };

Last updated June 22nd, 2020

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