google.golang.org/protobuf/internal/filedesc.ExtensionL2.IsProto3Optional (field)

3 uses

	google.golang.org/protobuf/internal/filedesc (current package)
		desc.go#L447: 		IsProto3Optional bool // promoted from google.protobuf.FieldDescriptorProto
		desc.go#L468: 	return (xd.L0.ParentFile.L1.Syntax == protoreflect.Proto2 && xd.L1.Cardinality == protoreflect.Optional) || xd.lazyInit().IsProto3Optional
		desc_lazy.go#L557: 				xd.L2.IsProto3Optional = protowire.DecodeBool(v)