In this code, why is the constness of GetAutoRef and GetAutoRefJ's return values different, the return value of GetDecltypeAutoJ not const? ...
In this code, why is the constness of GetAutoRef and GetAutoRefJ's return values different, the return value of GetDecltypeAutoJ not const? ...
I am just looking at some code with the following rough outline. so if i called like this Some questions around this are that if f returns a ref ...
I have always thought that the only form of using auto as the return type is as follows: I have just seen code when has a const reference adornment ...
I'm trying to hammer down the type of a this-capturing lambda using a special generating member function with decltype(auto). However, the compiler re ...
I want to write a function that will evaluate some expression that returns a pair (possibly as a reference, and possibly containing references) and re ...
I have the following code I would have expected the type of foo to be because the a is an lvalue and decltype(a) is a reference. If I do a very ...
I am trying to make template wrapper function, that should forward parameters and return value. And I can't decide what is better to use auto&& ...
from the old C++98 i am aware, that return types a copied (by value) if not mentioned in the function declaration/definition otherwise with the addres ...
I am learning C++17 new feature decltype(auto) for non-type template parameter. I wrote a simple code snippet as following: As I understand, Foo< ...
There have been many, many, many questions and answers regarding the trailing return type, auto return type deduction and the very useful decltype(aut ...
(This is a follow-up from "Are there any realistic use cases for `decltype(auto)` variables?") Consider the following scenario - I want to pass a fun ...
Both from my personal experience and from consulting answers to questions like What are some uses of decltype(auto)? I can find plenty of valuable use ...
I'm looking at the isocpp.org FAQ on C++14 language extensions, reading about decltype(auto): ... Note: decltype(auto) is primarily useful for d ...