Any function that consists of a return statement only could be declared constexpr and thus will allow to be evaluated at compile time if all
I think the question is clear enough. Will the auto keyword auto-detect const-ness, or always return a non-const 开发者_开发问答type, even if there are eg. two versions of a function (one that returns
Apparently, it is possible to declare a function returning const void: const void foo() { } g++ seems to consider the const important, because the following code does not compile:
I have the following code which I wrote to test the const member function: It compiles and runs fine when I have the const qualifier for the data member
What am i doing wrong ? echo try_add(\"test\",\"2562782\"); echo try_add(\"test\",\"25627826\"); function try_add($ct,$tankid){
I wish to create an \"enum-like\" list of constants with the following properties: The values of each identifier are sequential, with a few gaps. (I believe iota and the blank identifier help in thi
I do understand that functions should not return references to automatic variables. However I just wanted to understand where constant objects are stored i.e if it is stored in the memory section alon
This question already has answers here: Closed 11 years ago. Possible Duplicate: Does declaring C++ variables const help or hurt performance?
I am playing around with reflection and by accident I realized I could place a custom field attribute on 开发者_如何学编程a const class variable, then (using reflection) I read the class\' fields, fin
A pointer to non-const data can be implicitly converted to a pointer to const data of the same type: int*x = NULL;