1 ! Copyright (C) 2005 Slava Pestov.
2 ! See http://factor.sf.net/license.txt for BSD license.
5 USING: kernel math math-internals sequences sequences-internals ;
7 : array= ( seq seq -- ? )
8 #! This is really only used to compare tuples.
9 over array-capacity over array-capacity number= [
11 >r 2dup r> tuck swap array-nth >r swap array-nth r> =
19 M: array clone (clone) ;
20 M: array length array-capacity ;
21 M: array nth bounds-check >r >fixnum r> array-nth ;
22 M: array set-nth bounds-check >r >fixnum r> set-array-nth ;
23 M: array nth-unsafe >r >fixnum r> array-nth ;
24 M: array set-nth-unsafe >r >fixnum r> set-array-nth ;
25 M: array resize resize-array ;
27 : >array ( seq -- array )
28 [ length <array> 0 over ] keep copy-into ; inline
30 M: array like drop dup array? [ >array ] unless ;
32 M: byte-array clone (clone) ;
33 M: byte-array length array-capacity ;
34 M: byte-array resize resize-array ;
36 : 1array ( x -- { x } )
37 1 <array> [ 0 swap set-array-nth ] keep ; flushable
39 : 2array ( x y -- { x y } )
41 [ 1 swap set-array-nth ] keep
42 [ 0 swap set-array-nth ] keep ; flushable
44 : 3array ( x y z -- { x y z } )
46 [ 2 swap set-array-nth ] keep
47 [ 1 swap set-array-nth ] keep
48 [ 0 swap set-array-nth ] keep ; flushable
50 : zero-array ( n -- array ) 0 <repeated> >array ;