出典:Wiktionary
出典:『Wiktionary』 (2017/01/13 11:43 UTC 版)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/29 15:19 UTC 版)
In C++ computer programming, copy elision refers to a compiler optimization technique that eliminates unnecessary copying of objects. The C++ language standard generally allows implementations to perform any optimization, as long as the resulting program's observable behavior is the same as if the program was executed exactly as mandated by the standard.