It doesn't have proper pattern matching (you have to use a visitor class or the weird overload trick), and it sucks for compile times. It should have been a lan

It doesn't have proper pattern matching (you have to use a visitor class or the weird overload trick), and it sucks for compile times. It should have been a language construct rather than adding it to std, but the committee is often too scared to touch the language because they are stubbornly unwilling to break backwards compatibility.