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A-M baby

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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
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Task/Fibonacci-sequence/Lang5/fibonacci-sequence.lang5 Normal file
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[] '__A set : dip swap __A swap 2 compress collapse '__A set execute
__A -1 extract nip ; : nip swap drop ; : tuck swap over ;
: -rot rot rot ; : 0= 0 == ; : 1+ 1 + ; : 1- 1 - ; : sum '+ reduce ;
: bi 'keep dip execute ; : keep over 'execute dip ;
: fib dup 1 > if dup 1- fib swap 2 - fib + then ;
: fib dup 1 > if "1- fib" "2 - fib" bi + then ;