1 ! Copyright (C) 2004, 2008 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: arrays kernel math sequences sequences.private growable ;
8 { "length" array-capacity } ;
12 : array>vector ( array length -- vector )
17 : <vector> ( n -- vector ) f <array> 0 array>vector ; inline
19 : >vector ( seq -- vector ) V{ } clone-like ;
23 dup array? [ dup length array>vector ] [ >vector ] if
26 M: vector new-sequence drop [ f <array> ] keep >fixnum array>vector ;
29 over vector? [ sequence= ] [ 2drop f ] if ;
31 M: sequence new-resizable drop <vector> ;
33 INSTANCE: vector growable
35 : 1vector ( x -- vector ) 1array >vector ;
37 : ?push ( elt seq/f -- seq )
38 [ 1 <vector> ] unless* [ push ] keep ;