Joe Tsai 387873dd53 all: implement support for proto3 optional semantics ... In the upcoming 3.12.x release of protoc, the proto3 language will be amended to support true presence for scalars. This CL adds support to both the generator and runtime to support these semantics. Newly added public API: protogen.Plugin.SupportedFeatures protoreflect.FieldDescriptor.HasPresence protoreflect.FieldDescriptor.HasOptionalKeyword protoreflect.OneofDescriptor.IsSynthetic Change-Id: I7c86bf66d0ae56642109beb5f2132184593747ad Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/230698 Reviewed-by: Damien Neil <dneil@google.com>		2020-04-29 20:02:24 +00:00
..
methods.go	all: rename IsInitialized as CheckInitialized	2020-02-20 20:45:40 +00:00
proto_test.go
proto.go	reflect/protoreflect: mention bidirectional conversion of protodesc	2020-04-21 00:35:05 +00:00
source.go	reflect/protoreflect: update documentation	2020-02-15 00:23:47 +00:00
type.go	all: implement support for proto3 optional semantics	2020-04-29 20:02:24 +00:00
value_pure.go
value_test.go
value_union.go
value_unsafe.go
value.go	reflect/protoreflect: cleanup wording on Message.NewField	2020-04-21 00:34:41 +00:00