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newfx: insert and splice

db4
Eduardo Cavazos 2008-07-05 11:06:30 -05:00
parent 05798b88d9
commit d532c819a2
1 changed files with 6 additions and 0 deletions
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6
extra/newfx/newfx.factor
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@ -237,3 +237,9 @@ METHOD: as-mutate { object object assoc } set-at ;
: prepend! ( a b -- ba ) over append 0 pick copy ;
: prepended! ( a b -- ) over append 0 rot copy ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: insert ( seq i obj -- seq ) >r cut r> prefix append ;
: splice ( seq i seq -- seq ) >r cut r> prepend append ;