30 lines
804 B
Factor
30 lines
804 B
Factor
! Copyright (C) 2004, 2005 Slava Pestov.
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! See http://factor.sf.net/license.txt for BSD license.
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IN: vectors
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USING: arrays errors generic kernel kernel-internals math
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math-internals sequences sequences-internals ;
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M: vector set-length ( len vec -- )
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grow-length ;
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M: vector nth-unsafe ( n vec -- obj ) underlying nth-unsafe ;
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M: vector nth ( n vec -- obj ) bounds-check nth-unsafe ;
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M: vector set-nth-unsafe ( obj n vec -- )
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underlying set-nth-unsafe ;
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M: vector set-nth ( obj n vec -- )
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growable-check 2dup ensure set-nth-unsafe ;
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: >vector ( seq -- vector ) [ <vector> ] >sequence ; inline
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M: object thaw drop V{ } clone ;
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M: vector clone ( vector -- vector ) clone-growable ;
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M: vector like
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drop dup vector? [
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dup array? [ array>vector ] [ >vector ] if
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] unless ;
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