1 ! Copyright (C) 2008 Slava Pestov.
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2 ! See http://factorcode.org/license.txt for BSD license.
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3 USING: arrays kernel kernel.private math sequences
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4 sequences.private growable bit-arrays ;
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9 : bit-array>vector ( bit-array length -- bit-vector )
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10 bit-vector boa ; inline
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14 : <bit-vector> ( n -- bit-vector )
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15 <bit-array> 0 bit-array>vector ; inline
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17 : >bit-vector ( seq -- bit-vector ) ?V{ } clone-like ;
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20 drop dup bit-vector? [
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22 [ dup length bit-array>vector ] [ >bit-vector ] if
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25 M: bit-vector new-sequence
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26 drop [ <bit-array> ] keep >fixnum bit-array>vector ;
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28 M: bit-vector equal?
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29 over bit-vector? [ sequence= ] [ 2drop f ] if ;
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31 M: bit-array new-resizable drop <bit-vector> ;
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33 INSTANCE: bit-vector growable
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