14 lines
		
	
	
		
			495 B
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			495 B
		
	
	
	
		
			Factor
		
	
	
! Copyright (C) 2010 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien byte-vectors io kernel libc math sequences ;
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IN: io.streams.byte-array.fast
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! This is split off from io.streams.byte-array because it uses
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! memcpy, which is a non-core word that only works after the
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! optimizing compiler has been loaded.
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M: byte-vector stream-write
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    [ dup byte-length tail-slice swap ]
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    [ [ [ byte-length ] bi@ + ] keep lengthen ] 2bi
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    dup byte-length memcpy ;
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