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Online Computer Terms Dictionary - C


<reduction> A reduction strategy which delays evaluation of function arguments until their values are needed. A value is needed if it is an argument to a primitive function or it is the condition in a conditional. Call-by-need is one aspect of lazy evaluation.

The term first appears in Chris Wadsworth's thesis "Semantics and Pragmatics of the Lambda calculus" (Oxford, 1971, p. 183). It was used later, by J. Vuillemin in his thesis (Stanford, 1973).



Nearby terms: California State University San Marcos callback call-by-name call-by-need call-by-reference call-by-value call-by-value-result