[[nodiscard]]

[[fallthrough]]

[[nodiscard]]       bool f_nodiscard()      { return true; };
[[maybe_noinspect]] bool f_maybe_noinspect(){ return true; };

          f_nodiscard();               // Warning, value is discarded
bool b1 = f_nodiscard();               // Warning, value is uninspected
bool b2 = f_nodiscard(); if(b2);       // OK,      value is inspected

          f_maybe_noinspect();         // Warning, value is discarded
bool b3 = f_maybe_noinspect();         // OK,      value may be not inspected
bool b4 = f_maybe_noinspect(); if(b4); // OK,      value is inspected

[[nodiscard]]
int blah(int * p)
{
	return 0;
}

[[nodiscard]] int blah(int * p)
{
	return 0;
}