factor/extra/hash-sets/numbers/numbers.factor

37 lines
995 B
Factor

! Copyright (C) 2013 John Benediktsson
! See http://factorcode.org/license.txt for BSD license
USING: accessors hash-sets hash-sets.wrapped kernel math
math.hashcodes parser sequences vocabs.loader ;
IN: hash-sets.numbers
TUPLE: number-wrapper < wrapped-key ;
C: <number-wrapper> number-wrapper
M: number-wrapper equal?
over number-wrapper?
[ [ underlying>> ] bi@ number= ]
[ 2drop f ] if ; inline
M: number-wrapper hashcode*
nip underlying>> number-hashcode ; inline
TUPLE: number-hash-set < wrapped-hash-set ;
: <number-hash-set> ( n -- shash-set )
<hash-set> number-hash-set boa ; inline
M: number-hash-set wrap-key drop <number-wrapper> ;
M: number-hash-set clone
underlying>> clone number-hash-set boa ; inline
: >number-hash-set ( members -- shash-set )
[ <number-wrapper> ] map >hash-set number-hash-set boa ;
SYNTAX: NHS{ \ } [ >number-hash-set ] parse-literal ;
{ "hash-sets.numbers" "prettyprint" } "hash-sets.numbers.prettyprint" require-when