45 lines
1.1 KiB
Factor
45 lines
1.1 KiB
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 assocs combinators hashtables
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hashtables.wrapped kernel math math.hashcodes parser
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vocabs.loader ;
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IN: hashtables.numbers
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<PRIVATE
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TUPLE: number-wrapper
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{ underlying number read-only } ;
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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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PRIVATE>
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TUPLE: number-hashtable < wrapped-hashtable ;
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: <number-hashtable> ( n -- shashtable )
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<hashtable> number-hashtable boa ; inline
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M: number-hashtable wrap-key drop <number-wrapper> ;
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M: number-hashtable clone
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underlying>> clone number-hashtable boa ; inline
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: >number-hashtable ( assoc -- shashtable )
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[ assoc-size <number-hashtable> ] keep assoc-union! ;
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M: number-hashtable new-assoc drop <number-hashtable> ;
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SYNTAX: NH{ \ } [ >number-hashtable ] parse-literal ;
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{ "hashtables.numbers" "prettyprint" } "hashtables.numbers.prettyprint" require-when
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