45 lines
2.8 KiB
Factor
45 lines
2.8 KiB
Factor
! (c)2009 Joe Groff bsd license
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USING: assocs classes help.markup help.syntax kernel math
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quotations strings ;
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IN: combinators.tuple
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HELP: 2make-tuple
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{ $values
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{ "x" object } { "y" object } { "class" class } { "assoc" assoc }
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{ "tuple" tuple }
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}
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{ $description "Constructs a " { $link tuple } " of " { $snippet "class" } " by calling the quotations making up the values of " { $snippet "assoc" } " on " { $snippet "x" } " and " { $snippet "y" } ", assigning the result of each call to the slot named by the corresponding key. The quotations must have the effect " { $snippet "( x y -- slot-value )" } ". The order in which the quotations is called is undefined." } ;
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HELP: 3make-tuple
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{ $values
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{ "x" object } { "y" object } { "z" object } { "class" class } { "assoc" "a list of " { $link string } "/" { $link quotation } " pairs" }
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{ "tuple" tuple }
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}
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{ $description "Constructs a " { $link tuple } " of " { $snippet "class" } " by calling the quotations making up the values of " { $snippet "assoc" } " on " { $snippet "x" } ", " { $snippet "y" } ", and " { $snippet "z" } ", assigning the result of each call to the slot named by the corresponding key. The quotations must have the effect " { $snippet "( x y z -- slot-value )" } ". The order in which the quotations is called is undefined." } ;
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HELP: make-tuple
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{ $values
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{ "x" object } { "class" class } { "assoc" "a list of " { $link string } "/" { $link quotation } " pairs" }
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{ "tuple" tuple }
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}
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{ $description "Constructs a " { $link tuple } " of " { $snippet "class" } " by calling the quotations making up the values of " { $snippet "assoc" } " on " { $snippet "x" } ", assigning the result of each call to the slot named by the corresponding key. The quotations must have the effect " { $snippet "( x -- slot-value )" } ". The order in which the quotations is called is undefined." } ;
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HELP: nmake-tuple
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{ $values
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{ "class" class } { "assoc" "a list of " { $link string } "/" { $link quotation } " pairs" } { "n" integer }
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}
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{ $description "Constructs a " { $link tuple } " of " { $snippet "class" } " by calling the quotations making up the values of " { $snippet "assoc" } " on the top " { $snippet "n" } " values on the datastack below " { $snippet "class" } ", assigning the result of each call to the slot named by the corresponding key. The order in which the quotations is called is undefined." } ;
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{ make-tuple 2make-tuple 3make-tuple nmake-tuple } related-words
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ARTICLE: "combinators.tuple" "Tuple-constructing combinators"
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"The " { $vocab-link "combinators.tuple" } " vocabulary provides combinators that construct " { $link tuple } " objects. These provide additional functionality above and beyond built-in " { $link "tuple-constructors" } "."
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{ $subsections
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make-tuple
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2make-tuple
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3make-tuple
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nmake-tuple
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} ;
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ABOUT: "combinators.tuple"
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