Function isValidExtension

proto/extensions.go:319–321

isValidExtension reports whether xtd is a valid extension descriptor for md.

(md protoreflect.MessageDescriptor, xtd protoreflect.ExtensionTypeDescriptor)

// isValidExtension reports whether xtd is a valid extension descriptor for md.
func isValidExtension(md protoreflect.MessageDescriptor, xtd protoreflect.ExtensionTypeDescriptor) bool {
	return xtd.ContainingMessage() == md && md.ExtensionRanges().Has(xtd.Number())
}

// isScalarKind reports whether k is a protobuf scalar kind (except bytes).
// This function exists for historical reasons since the representation of