23 lines
666 B
Factor
23 lines
666 B
Factor
|
! Copyright (C) 2009 Slava Pestov.
|
||
|
|
! See http://factorcode.org/license.txt for BSD license.
|
||
|
|
USING: accessors byte-arrays growable kernel math sequences
|
||
|
|
sequences.private struct-arrays ;
|
||
|
|
IN: struct-vectors
|
||
|
|
|
||
|
|
TUPLE: struct-vector
|
||
|
|
{ underlying struct-array }
|
||
|
|
{ length array-capacity }
|
||
|
|
{ c-type read-only } ;
|
||
|
|
|
||
|
|
: <struct-vector> ( capacity c-type -- struct-vector )
|
||
|
|
[ <struct-array> 0 ] keep struct-vector boa ; inline
|
||
|
|
|
||
|
|
M: struct-vector new-sequence
|
||
|
|
[ c-type>> <struct-array> ] [ [ >fixnum ] [ c-type>> ] bi ] 2bi
|
||
|
|
struct-vector boa ;
|
||
|
|
|
||
|
|
M: struct-vector contract 2drop ;
|
||
|
|
|
||
|
|
M: struct-array new-resizable c-type>> <struct-vector> ;
|
||
|
|
|
||
|
|
INSTANCE: struct-vector growable
|