c++ Programming Glossary: temporaries

Understanding return value optimization and returning temporaries - C++

http://stackoverflow.com/questions/1394229/understanding-return-value-optimization-and-returning-temporaries-c

return value optimization and returning temporaries C Please consider the three functions. std string get_a_string..

http://stackoverflow.com/questions/15600499/how-to-pass-parameters-correctly

stable identity and with rvalues rvalues are for instance temporaries or objects you're about to move from as the result of calling.. For instance Here you are passing a temporary OK temporaries are rvalues Account acc asdasd 345 CreditCard 12345 2 2015 1001..

How come a non-const reference cannot bind to a temporary object?

http://stackoverflow.com/questions/1565600/how-come-a-non-const-reference-cannot-bind-to-a-temporary-object

references ... C doesn't want you to accidentally modify temporaries but directly calling a non const member function on a modifiable.. so it's allowed ... Basically you shouldn't try to modify temporaries for the very reason that they are temporary objects and will.. I mean by going against the language . The language says temporaries die at the end of the statement unless they are bound to const..

cout << order of call to functions it prints?

http://stackoverflow.com/questions/2129230/cout-order-of-call-to-functions-it-prints

tmp1 auto tmp2 myQueue.dequeue tmp3 tmp2 Here's what the temporaries correspond to in the original expression. cout myQueue.dequeue..

Which, if any, C++ compilers do tail-recursion optimization?

http://stackoverflow.com/questions/34125/which-if-any-c-compilers-do-tail-recursion-optimization

be worth it to change the scoping of certain variables and temporaries to make sure they go out of scope before the return statement..

Lifetime of temporaries

http://stackoverflow.com/questions/4214153/lifetime-of-temporaries

of temporaries The following code works fine but why is this correct code..

How many and which are the uses of “const” in C++?

http://stackoverflow.com/questions/455518/how-many-and-which-are-the-uses-of-const-in-c

the copy constructor to make copies from const objects and temporaries struct MyClass MyClass MyClass const that make copy of that..

What does T&& (double ampersand) mean in C++11?

http://stackoverflow.com/questions/5481539/what-does-t-double-ampersand-mean-in-c11

unnecessary copy. The move constructor would be used for temporaries and for non const lvalue references that are explicitly converted.. rvalues prefer binding to rvalue references . Hence why temporaries prefer invoking a move constructor move assignment operator.. rvalue references will implicitly bind to rvalues and to temporaries that are the result of an implicit conversion . i.e. float f..

What are the differences between pointer variable and reference variable in C++?

http://stackoverflow.com/questions/57483/what-are-the-differences-between-pointer-variable-and-reference-variable-in-c

Mentioned by user @litb Const references can be bound to temporaries. Pointers cannot not without some indirection const int x int..

Guaranteed lifetime of temporary in C++?

http://stackoverflow.com/questions/584824/guaranteed-lifetime-of-temporary-in-c

improve this question The destructor for that sort of temporaries is called at the end of the full expression. That's the most.. work They can keep hold references to that sort of temporaries in an expression like e a b c d Because every temporary will..

initializer_list and move semantics

http://stackoverflow.com/questions/8193102/initializer-list-and-move-semantics

thought that initializer_list existed to keep an array of temporaries until they were move 'd. begin and end for initializer_list..