34 lines
727 B
Factor
34 lines
727 B
Factor
|
! Copyright (C) 2009 Slava Pestov.
|
||
|
|
! See http://factorcode.org/license.txt for BSD license.
|
||
|
|
USING: functors sequences sequences.private growable
|
||
|
|
kernel words classes math parser ;
|
||
|
|
IN: vectors.functor
|
||
|
|
|
||
|
|
FUNCTOR: define-vector ( V A <A> -- )
|
||
|
|
|
||
|
|
<V> DEFINES <${V}>
|
||
|
|
>V DEFINES >${V}
|
||
|
|
|
||
|
|
WHERE
|
||
|
|
|
||
|
|
TUPLE: V { underlying A } { length array-capacity } ;
|
||
|
|
|
||
|
|
: <V> ( capacity -- vector ) <A> 0 V boa ; inline
|
||
|
|
|
||
|
|
M: V like
|
||
|
|
drop dup V instance? [
|
||
|
|
dup A instance? [ dup length V boa ] [ >V ] if
|
||
|
|
] unless ;
|
||
|
|
|
||
|
|
M: V new-sequence drop [ <A> ] [ >fixnum ] bi V boa ;
|
||
|
|
|
||
|
|
M: A new-resizable drop <V> ;
|
||
|
|
|
||
|
|
M: V equal? over V instance? [ sequence= ] [ 2drop f ] if ;
|
||
|
|
|
||
|
|
: >V ( seq -- vector ) V new clone-like ; inline
|
||
|
|
|
||
|
|
INSTANCE: V growable
|
||
|
|
|
||
|
|
;FUNCTOR
|