rvalue
C++ rvalue temporaries in template
Can you please explain me the difference between mechanism of the 开发者_Go百科following: int function();[详细]
2023-01-02 21:07 分类:问答Why is T() = T() allowed?
I believe the expression T() creates an rvalue (by the Standard).However, the following code compiles (at least on gcc4.0):[详细]
2023-01-01 03:18 分类:问答Reference initialization in C++
Can anybody explain to me why there is a difference between these two statements? class A{}; const A& a = A();// correct[详细]
2022-12-20 19:21 分类:问答Taking the address of a temporary object
§5.3.1 Unary operators, Section 3 The result of the unary & operator is a pointer to its operand. The operand shall be an lvalue or a qualified-id.[详细]
2022-12-20 16:03 分类:问答Is a member of an rvalue structure an rvalue or lvalue?
A function call returning a structure is an rvalue expression, but what about its members? This piece of code works well with my g++ compiler, but gcc gives a error saying \"lvalue required as left op[详细]
2022-12-19 06:10 分类:问答non-class rvalues always have cv-unqualified types
§3.10 section 9 says \"non-class rvalues always have cv-unqualified types\". That made me wonder... int foo()[详细]
2022-12-18 09:20 分类:问答Are all temporaries rvalues in C++?
I have been coding in C++ for past few years. But there is one question that I have not been able to figure out. I want to ask, are 开发者_如何学JAVAall temporaries in C++, rvalues?[详细]
2022-12-18 00:51 分类:问答where is rvalue stored in c?
in C, i have this code piece: 开发者_JS百科int a; a = 10 + 5 - 3 I want to ask: where is (10+5-3) stored at?[详细]
2022-12-10 06:04 分类:问答