37 lines
822 B
Factor
37 lines
822 B
Factor
! Copyright (C) 2018 John Benediktsson
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! See http://factorcode.org/license.txt for BSD license
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USING: accessors assocs classes classes.tuple
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classes.tuple.private kernel math sequences sequences.private
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slots.private ;
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IN: named-tuples
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MIXIN: named-tuple
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M: named-tuple assoc-size tuple-size ;
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M: named-tuple at*
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[ nip ] [ ?offset-of-slot ] 2bi [ slot t ] [ drop f f ] if* ;
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M: named-tuple set-at set-slot-named ;
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M: named-tuple >alist
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dup class-of all-slots
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[ [ offset>> slot ] [ name>> ] bi swap ] with { } map>assoc ;
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INSTANCE: named-tuple assoc
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M: named-tuple length tuple-size ;
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M: named-tuple nth-unsafe
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[ integer>fixnum ] dip array-nth ;
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M: named-tuple set-nth-unsafe
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[ integer>fixnum ] dip set-array-nth ;
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M: named-tuple like class-of slots>tuple ;
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INSTANCE: named-tuple sequence
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