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Loop structures: Difference between revisions
→[[Forth]]: Added BEGIN/AGAIN
(→[[PHP]]: Removed syntax highlighting) |
(→[[Forth]]: Added BEGIN/AGAIN) |
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example: Counts down from a given number to zero
: COUNTDOWN ( n -- ) BEGIN DUP CR . 1- DUP 0< UNTIL DROP ;
===BEGIN-AGAIN===
BEGIN ( iterated statements ) AGAIN
example: echo user's input
: FOREVER ( -- ) BEGIN KEY EMIT AGAIN ;
===BEGIN-WHILE-REPEAT===
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