E0121: Ambiguous or unresolvable overload
No overload fits the arguments, or several fit equally well (an untyped constant fits int32 and int64 alike), or an overloaded function is used as a value, which names no one overload.
Wrong
vuka
func g(x int32) {}
func g(x int64) {}
func main() { g(1) }Right
vuka
func g(x int32) {}
func g(x int64) {}
func main() { g(int64(1)) }