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combinators.cleave: Major insurgency assault

db4
Eduardo Cavazos 2008-04-01 16:22:14 -06:00
parent 6a2ab73938
commit d1c9082cd4
1 changed files with 18 additions and 1 deletions
extra/combinators/cleave

19
extra/combinators/cleave/cleave.factor
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@ -1,5 +1,5 @@
USING: kernel sequences macros combinators ;
USING: kernel arrays sequences macros combinators ;
IN: combinators.cleave
@ -21,6 +21,18 @@ MACRO: <2arr> ( seq -- )
[ >quots ] [ length ] bi
'[ , 2cleave , narray ] ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: {1} ( x -- {x} ) 1array ; inline
: {2} ( x y -- {x,y} ) 2array ; inline
: {3} ( x y z -- {x,y,z} ) 3array ; inline
: {n} narray ;
: {bi} ( x p q -- {p(x),q(x)} ) bi {2} ; inline
: {tri} ( x p q r -- {p(x),q(x),r(x)} ) tri {3} ; inline
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Spread into array
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
@ -28,3 +40,8 @@ MACRO: <2arr> ( seq -- )
MACRO: <arr*> ( seq -- )
[ >quots ] [ length ] bi
'[ , spread , narray ] ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: {bi*} ( x y p q -- {p(x),q(y)} ) bi* {2} ; inline
: {tri*} ( x y z p q r -- {p(x),q(y),r(z)} ) tri* {3} ; inline