30 lines
980 B
Factor
30 lines
980 B
Factor
! Copyright (C) 2007, 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors kernel kernel.private alien.accessors sequences
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sequences.private math ;
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IN: byte-arrays
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M: byte-array clone (clone) ;
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M: byte-array length length>> ;
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M: byte-array nth-unsafe swap >fixnum alien-unsigned-1 ;
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M: byte-array set-nth-unsafe swap >fixnum set-alien-unsigned-1 ;
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: >byte-array ( seq -- byte-array ) B{ } clone-like ; inline
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M: byte-array like drop dup byte-array? [ >byte-array ] unless ;
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M: byte-array new-sequence drop <byte-array> ;
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M: byte-array equal?
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over byte-array? [ sequence= ] [ 2drop f ] if ;
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M: byte-array resize
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resize-byte-array ;
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INSTANCE: byte-array sequence
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: 1byte-array ( x -- byte-array ) 1 <byte-array> [ set-first ] keep ; inline
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: 2byte-array ( x y -- byte-array ) B{ } 2sequence ; inline
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: 3byte-array ( x y z -- byte-array ) B{ } 3sequence ; inline
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: 4byte-array ( w x y z -- byte-array ) B{ } 4sequence ; inline
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