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Change a -rot usage to 2dip

db4
Slava Pestov 2008-12-10 17:26:54 -06:00
parent 7f3b946264
commit e6145c71c0
1 changed files with 3 additions and 3 deletions
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6
core/sequences/sequences.factor
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@ -343,7 +343,7 @@ PRIVATE>
[ (each) ] dip collect ; inline
: 2nth-unsafe ( n seq1 seq2 -- elt1 elt2 )
[ over ] dip nth-unsafe [ nth-unsafe ] dip ; inline
[ over ] dip [ nth-unsafe ] 2bi@ ; inline
: (2each) ( seq1 seq2 quot -- n quot' )
[ [ min-length ] 2keep ] dip
@ -538,12 +538,12 @@ M: sequence <=>
: sequence-hashcode-step ( oldhash newpart -- newhash )
>fixnum swap [
dup -2 fixnum-shift-fast swap 5 fixnum-shift-fast
[ -2 fixnum-shift-fast ] [ 5 fixnum-shift-fast ] bi
fixnum+fast fixnum+fast
] keep fixnum-bitxor ; inline
: sequence-hashcode ( n seq -- x )
0 -rot [ hashcode* sequence-hashcode-step ] with each ; inline
[ 0 ] 2dip [ hashcode* sequence-hashcode-step ] with each ; inline
M: reversed equal? over reversed? [ sequence= ] [ 2drop f ] if ;