37 lines
901 B
Factor
37 lines
901 B
Factor
! Copyright (C) 2004, 2007 Slava Pestov.
|
|
! See http://factorcode.org/license.txt for BSD license.
|
|
IN: vectors
|
|
USING: arrays errors generic kernel kernel-internals math
|
|
math-internals sequences sequences-internals words ;
|
|
|
|
: <vector> ( n -- vector )
|
|
f <array> array>vector 0 over set-fill ; inline
|
|
|
|
M: vector set-length grow-length ;
|
|
|
|
M: vector nth-unsafe underlying nth-unsafe ;
|
|
|
|
M: vector nth bounds-check nth-unsafe ;
|
|
|
|
M: vector set-nth-unsafe
|
|
underlying set-nth-unsafe ;
|
|
|
|
M: vector set-nth
|
|
growable-check 2dup ensure set-nth-unsafe ;
|
|
|
|
: >vector ( seq -- vector ) V{ } clone-like ; inline
|
|
|
|
M: vector clone clone-resizable ;
|
|
|
|
M: vector like
|
|
drop dup vector? [
|
|
dup array? [ array>vector ] [ >vector ] if
|
|
] unless ;
|
|
|
|
M: vector new drop dup <vector> tuck set-length ;
|
|
|
|
M: vector equal?
|
|
over vector? [ sequence= ] [ 2drop f ] if ;
|
|
|
|
M: object new-resizable drop <vector> ;
|