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Add ncleave back to combinators.cleave, since it does not behave like generalizations:ncleave

db4
Slava Pestov 2008-12-18 03:38:21 -06:00
parent 6e52dedd59
commit 24fc37c7b7
1 changed files with 7 additions and 0 deletions
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extra/combinators/cleave/cleave.factor
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@ -10,6 +10,13 @@ IN: combinators.cleave
: >quots ( seq -- seq ) [ >quot ] map ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
:: [ncleave] ( SEQ N -- quot )
SEQ >quots [ [ N nkeep ] curry ] map concat [ N ndrop ] append >quotation ;
MACRO: ncleave ( seq n -- quot ) [ncleave] ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Cleave into array
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!