1// Copyright 2024 The Pigweed Authors 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); you may not 4// use this file except in compliance with the License. You may obtain a copy of 5// the License at 6// 7// https://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12// License for the specific language governing permissions and limitations under 13// the License. 14edition = "2023"; 15 16package pw.protobuf.test; 17 18message EditionsTest { 19 // In edition 2023, explicit presence is the default. 20 // proto3 equivalent: 21 // optional uint32 optional_uint = 1; 22 uint32 optional_uint = 1; 23 24 // To function like proto3, implicit presence must be specified. 25 // proto3 equivalent: 26 // uint32 default_uint = 2; 27 uint32 default_uint = 2 [features.field_presence = IMPLICIT]; 28 29 // Just like in proto3, packed varints are the default. 30 repeated int32 packed_values = 3; 31} 32