[edflsafoiewq]

std::enable_if exists to disable certain overloads during overload resolution. Zig has no overloading, so it has no equivalent.

[matklad]

I'd flip it over and say that C++ has overloading&SFINAE to enable polymorphism which it otherwise can't express.

[edflsafoiewq]

Such as? The basic property of overloading is it's open. Any closed set of overloads can be converted to a single function which does the same dispatch logic with ifs and type traits (it may not be very readable).