9 lines
330 B
Factor
9 lines
330 B
Factor
! Copyright (C) 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: models.arrow models.product stack-checker accessors fry
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generalizations macros kernel ;
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IN: models.arrow.smart
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MACRO: <smart-arrow> ( quot -- quot' )
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[ infer in>> dup ] keep
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'[ _ narray <product> [ _ firstn @ ] <arrow> ] ; |