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