hope go generics in 1.18(or later) support return type inference

[LeGamerDc]

from generics proposal, if i did not misunderstand, go generics won't support return type inference like this

func empty[T any]() T {
     return T{}
}

i hope this feature could be added to go generics, and if not, i want to know why

[seankhliao]

Duplicate of #35966