Resource Acquisition Is Initializationの意味・使い方・読み方

ウィキペディア英語版

出典:『Wikipedia』 (2011/07/05 07:37 UTC 版)

ウィキペディア英語版からの引用

引用: Resource Acquisition Is Initialization, often referred to by the acronym RAII, is a programming idiom used in several object-oriented languages like C++, D and Ada. The technique was invented by Bjarne Stroustrup to deal with resource deallocation in C++. In this language, the only code that can be guaranteed to be executed after an exception is thrown are the destructors of objects residing on the stack. Resources therefore need to be tied to the lifespan of suitable objects in order to gain automatic reclamation. They are acquired during initialization, when there is no chance of them being used before they are available, and released with the destruction of the same objects, which is guaranteed to take place even in case of errors.

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