aparler/RosettaCodeData
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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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13
Task/Menu/Factor/menu.factor Normal file
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USING: formatting io kernel math math.parser sequences ;
: print-menu ( seq -- )
[ 1 + swap "%d - %s\n" printf ] each-index
"Your choice? " write flush ;
: (select) ( seq -- result )
dup print-menu readln string>number dup integer? [
drop 1 - swap 2dup bounds-check?
[ nth ] [ nip (select) ] if
] [ drop (select) ] if* ;
: select ( seq -- result ) [ "" ] [ (select) ] if-empty ;