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newfx: minor additions

db4
Eduardo Cavazos 2008-04-18 19:22:53 -05:00
parent 733aef6276
commit 6edac99d83
1 changed files with 17 additions and 0 deletions
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extra/newfx/newfx.factor
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@ -155,6 +155,23 @@ METHOD: as-mutate { object object assoc } set-at ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: prefix-on ( elt seq -- seq ) swap prefix ;
: suffix-on ( elt seq -- seq ) swap suffix ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: 1st 0 at ;
: 2nd 1 at ;
: 3rd 2 at ;
: 4th 3 at ;
: 5th 4 at ;
: 6th 5 at ;
: 7th 6 at ;
: 8th 7 at ;
: 9th 8 at ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! A note about the 'mutate' qualifier. Other words also technically mutate
! their primary object. However, the 'mutate' qualifier is supposed to
! indicate that this is the main objective of the word, as a side effect.