factor/extra/combinators/cleave/cleave.factor

33 lines
1.0 KiB
Factor

USING: kernel ;
IN: combinators.cleave
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! The cleaver family
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: bi ( obj quot quot -- val val ) >r over slip r> call ; inline
: tri ( obj quot quot quot -- val val val )
>r pick >r bi r> r> call ; inline
: tetra ( obj quot quot quot quot -- val val val val )
>r >r pick >r bi r> r> r> bi ; inline
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: 2bi ( obj obj quot quot -- val val ) >r 2keep r> call ; inline
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! The spread family
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: bi* ( obj obj quot quot -- val val ) >r swap >r call r> r> call ; inline
: tri* ( obj obj obj quot quot quot -- val val val )
>r rot >r bi* r> r> call ; inline
: tetra* ( obj obj obj obj quot quot quot quot -- val val val val )
>r roll >r tri* r> r> call ; inline