consider
func Foo(a int, b string, x SomeStruct)
It would be nice if it was possible to pass in the "don't care" value,
a.k.a. "_" as one of the argument, as an alias for the default value of the
type.
pkg.Foo(a, b, _)
This way if the user knows he doesn't care about the last value and that
the default is fine. He can use that syntax to just give the zero value.
This could be extended to returns
func Bar() (SomeStruct, error) {
...
if err != nil {
return _, err
}
...
}
or things like channels
var c chan struct{}
c <- _
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