39 lines
1.1 KiB
Factor
39 lines
1.1 KiB
Factor
! Copyright (C) 2005 Slava Pestov.
|
|
! See http://factorcode.org/license.txt for BSD license.
|
|
IN: arrays
|
|
USING: kernel kernel-internals math math-internals sequences
|
|
sequences-internals ;
|
|
|
|
M: array clone (clone) ;
|
|
M: array length array-capacity ;
|
|
M: array nth bounds-check nth-unsafe ;
|
|
M: array set-nth bounds-check set-nth-unsafe ;
|
|
M: array nth-unsafe >r >fixnum r> array-nth ;
|
|
M: array set-nth-unsafe >r >fixnum r> set-array-nth ;
|
|
M: array resize resize-array ;
|
|
|
|
: >array ( seq -- array )
|
|
[ array? ] [ f <array> ] >sequence ; inline
|
|
|
|
M: array like drop dup array? [ >array ] unless ;
|
|
|
|
M: byte-array clone (clone) ;
|
|
M: byte-array length array-capacity ;
|
|
M: byte-array resize resize-array ;
|
|
|
|
: 1array ( x -- array ) 1 swap <array> ;
|
|
|
|
: 2array ( x y -- array )
|
|
2 swap <array> [ 0 swap set-array-nth ] keep ;
|
|
|
|
: 3array ( x y z -- array )
|
|
3 swap <array>
|
|
[ 1 swap set-array-nth ] keep
|
|
[ 0 swap set-array-nth ] keep ;
|
|
|
|
: 4array ( x y z t -- array )
|
|
4 swap <array>
|
|
[ 2 swap set-array-nth ] keep
|
|
[ 1 swap set-array-nth ] keep
|
|
[ 0 swap set-array-nth ] keep ;
|