var reflect.stringType

3 uses

	reflect (current package)
		value.go#L1785: var stringType = rtypeOf("")
		value.go#L1804: 	if (tt.Key == stringType || key.kind() == String) && tt.Key == key.typ() && tt.Elem.Size() <= abi.MapMaxElemBytes {
		value.go#L2444: 	if (tt.Key == stringType || key.kind() == String) && tt.Key == key.typ() && tt.Elem.Size() <= abi.MapMaxElemBytes {