Forth has traditionally not handled recursion nicely, functions being disallowed from calling themselves naturally.
Muq MUF allows this sort of recursion quite naturally. Here is the venerable factorial function:
Stack:
: fact { $ -> $ } -> i i 1 = if i else i 1- fact i * fi ;
Stack:
3 fact
Stack: 6
Note: This example also doesn't compile on version -1.0.0. Ick.
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