翻訳と辞書 Words near each other ・ uniform resource locater ・ uniform resource locator ・ uniform resource name ・ uniform resource number ・ unify ・ unify corporation ・ unihan ・ uninstaller ・ uninteresting ・ uninterruptible power supply ・ union ・ unipalm group plc ・ unipress software, inc. ・ uniprocessor ・ unique ・ unique id listing ・ unique key ・ unique sales point ・ unir tech ・ unisap Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク union ： FOLDOC union 1. An operation on two sets which returns the set of all elements that are a member of either or both of the argument sets; normally written as an infix upper-case U symbol. The operator generalises to zero or more sets by taking the union of the current partial result (initially the empty set) with the next argument set, in any order. For example, (a, b, c) U (c, d, e) = (a, b, c, d, e) 2. A type whose values may be of one of a number of other types, thet current type depending on conditions that are only known at run time. A variable of union type must be allocated sufficient storage space to hold the largest component type. Some unions include extra information to say which type of value the union currently has (a "tagged union"), others rely on the program to keep track of this independently. A union contrasts with a {structure} or record which stores values of all component types at once. 3. An SQL operator that con 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.