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Ingy döt Net 2013-04-11 01:07:29 -07:00
parent b83f433714
commit 68f8f3e56b
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10
Task/Y-combinator/Factor/y-combinator-1.factor Normal file
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USING: fry kernel math ;
IN: rosettacode.Y
: Y ( quot -- quot )
'[ [ dup call call ] curry @ ] dup call ; inline
: almost-fac ( quot -- quot )
'[ dup zero? [ drop 1 ] [ dup 1 - @ * ] if ] ;
: almost-fib ( quot -- quot )
'[ dup 2 >= [ 1 2 [ - @ ] bi-curry@ bi + ] when ] ;

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Task/Y-combinator/Factor/y-combinator-2.factor Normal file
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USING: kernel tools.test rosettacode.Y ;
IN: rosettacode.Y.tests
[ 120 ] [ 5 [ almost-fac ] Y call ] unit-test
[ 8 ] [ 6 [ almost-fib ] Y call ] unit-test