10 lines
		
	
	
		
			376 B
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			10 lines
		
	
	
		
			376 B
		
	
	
	
		
			Factor
		
	
	
| ! Copyright (C) 2009, 2010 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 sequences.generalizations combinators.smart
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| macros kernel ;
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| IN: models.arrow.smart
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| 
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| MACRO: <smart-arrow> ( quot -- quot' )
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|     [ inputs dup ] keep
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|     '[ _ narray <product> [ _ firstn @ ] <arrow> ] ; |