Is there a reason declval returns add_rvalue_reference instead of add_lvalue_reference...

How does std::forward work, especially when passing lvalue/rvalue references?...

How does std::declval<T>() work?...

Working of std::forward and reference collapsing...

Ambiguous overload due to reference collapsing...

reference collapsing and and tuples...

Reference collapsing rules not applying as expected?...

C++11 perfect forwarding and reference collapsing...

reference collapsing with template template class...

when will there be && + && -> && with c++ reference collapse?...

What are the reference collapsing rules, and how are they utilized by the C++ standard library?...

Reference collapsing?...

What is the type of a reference of a reference in a template class...

Why is adding a reference to a rvalue reference not an error?...

What are the rules of rvalue(&&) lvalue(&) reference binding in templates with regard to...

Type deduction and reference collapsing in CTAD...