| Joe Tsai | 025d81d | 2018-08-03 15:53:13 -0700 | [diff] [blame] | 1 | // Copyright 2018 The Go Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | // Package flags provides a set of flags controlled by build tags. |
| 6 | package flags |
| 7 | |
| Joe Tsai | 1799d11 | 2019-08-08 13:31:59 -0700 | [diff] [blame^] | 8 | // ProtoLegacy specifies whether to enable support for legacy functionality |
| 9 | // such as MessageSets, weak fields, and various other obscure behavior |
| 10 | // that is necessary to maintain backwards compatibility with proto1 or |
| 11 | // the pre-release variants of proto2 and proto3. |
| Joe Tsai | 025d81d | 2018-08-03 15:53:13 -0700 | [diff] [blame] | 12 | // |
| Joe Tsai | 1799d11 | 2019-08-08 13:31:59 -0700 | [diff] [blame^] | 13 | // This is disabled by default unless built with the "protolegacy" tag. |
| Joe Tsai | 025d81d | 2018-08-03 15:53:13 -0700 | [diff] [blame] | 14 | // |
| 15 | // WARNING: The compatibility agreement covers nothing provided by this flag. |
| 16 | // As such, functionality may suddenly be removed or changed at our discretion. |
| Joe Tsai | 1799d11 | 2019-08-08 13:31:59 -0700 | [diff] [blame^] | 17 | const ProtoLegacy = protoLegacy |