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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Partial application ： ウィキペディア英語版 Partial application : ''Not to be confused with partial evaluation''. In computer science, partial application (or partial function application) refers to the process of fixing a number of arguments to a function, producing another function of smaller arity. Given a function $\backslash scriptstyle\; f\; \backslash colon\; (X\; \backslash times\; Y\; \backslash times\; Z)\; \backslash to\; N$, we might fix (or 'bind') the first argument, producing a function of type $\backslash scriptstyle\backslash text(f)\; \backslash colon\; (Y\; \backslash times\; Z)\; \backslash to\; N$. Evaluation of this function might be represented as $f\_(2,\; 3)$. Note that the result of partial function application in this case is a function that takes two arguments. == Motivation == Intuitively, partial function application says "if you fix the first arguments of the function, you get a function of the remaining arguments". For example, if function ''div'' stands for the division operation ''x'' / ''y'', then ''div'' with the parameter ''x'' fixed at 1 (i.e. ''div'' 1) is another function: the same as the function ''inv'' that returns the multiplicative inverse of its argument, defined by ''inv''(''y'') = 1 / ''y''. The practical motivation for partial application is that very often the functions obtained by supplying some but not all of the arguments to a function are useful; for example, many languages have a function or operator similar to plus_one. Partial application makes it easy to define these functions, for example by creating a function that represents the addition operator with 1 bound as its first argument. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Partial application」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.