Refal is a historical programming language created in 1968.

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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>;
    = ; };
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Last updated February 11th, 2019