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sequences: adding a subseq-unsafe that doesn't check slice bounds.

db4
John Benediktsson 2015-07-16 23:42:56 -07:00
parent 16837c56ee
commit 9fad4187f3
2 changed files with 9 additions and 5 deletions
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7
basis/hints/hints.factor
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@ -4,8 +4,8 @@ USING: accessors arrays assocs byte-arrays byte-vectors classes
combinators definitions effects fry generic generic.single combinators definitions effects fry generic generic.single
generic.standard hashtables io.binary io.encodings generic.standard hashtables io.binary io.encodings
io.streams.string kernel kernel.private math math.parser io.streams.string kernel kernel.private math math.parser
namespaces parser sbufs sequences splitting splitting.private namespaces parser sbufs sequences sequences.private splitting
strings vectors words ; splitting.private strings vectors words ;
IN: hints IN: hints
GENERIC: specializer-predicate ( spec -- quot ) GENERIC: specializer-predicate ( spec -- quot )
@ -95,9 +95,10 @@ set-specializer
set-specializer set-specializer
] each ] each
\ subseq { subseq subseq-unsafe } [
{ { fixnum fixnum string } { fixnum fixnum array } } { { fixnum fixnum string } { fixnum fixnum array } }
set-specializer set-specializer
] each
\ reverse! \ reverse!
{ { string } { array } } { { string } { array } }

3
core/sequences/sequences.factor
View File

@ -311,6 +311,9 @@ C: <copy> copy-state
#! The check-length call forces partial dispatch #! The check-length call forces partial dispatch
[ [ length check-length 0 ] keep ] 2dip <copy> (copy) drop ; inline [ [ length check-length 0 ] keep ] 2dip <copy> (copy) drop ; inline
: subseq-unsafe ( from to seq -- subseq )
[ subseq>copy (copy) ] keep like ;
PRIVATE> PRIVATE>
: subseq ( from to seq -- subseq ) : subseq ( from to seq -- subseq )