This paragraph from the C++ 17 standard draft states, among others, that: A full-expression is: -an unevaluated operand, -a constant-expression ([expr.const]), -an init-declarator ([dcl...

Possible Duplicate: What is the lifetime of temporary function arguments? When are temporary objects destroyed? It is said that temporary variables are destroyed as the last step in evalua...

The following code works fine, but why is this correct code? Why is the "c_str()" pointer of the temporary returned by foo() valid? I thought, that this temporary is already destroyed when ba...