meaning of fun

1. Sport; merriment; frolicsome amusement.
2. Fun A typed lambda-calculus, similar to SOL[2]. "On Understanding Types, Data Abstractions and Polymorphism", L. Cardelli et al, ACM Comp Surveys 174 Dec 1985. function 1. Or "map", "mapping" If D and C are sets the domain and codomain then a function f from D to C, normally written "f : D -> C" is a subset of D x C such that: 1. For each d in D there exists some c in C such that d,c is an element of f. I. e. the function is defined for every element of D. 2. For each d in D, c1 and c2 in C, if both d,c1 and d,c2 are elements of f then c1 = c2. I. e. the function is uniquely defined for every element of D. See also image, inverse, partial function. 2. Computing usage derives from the mathematical term but is much less strict. In programming except in functional programming, a function may return different values each time it is called with the same argument values and may have side effects. A procedure is a function which returns no value but has only side-effects. The C language, for example, has no procedures, only functions. ANSI C even defines a type, void, for the result of a function that has no result.

Related Words

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