Files
diun/vendor/google.golang.org/protobuf/internal/filedesc/presence.go
dependabot[bot] 0be2aa88c0 chore(deps): bump google.golang.org/protobuf from 1.36.6 to 1.36.7
Bumps google.golang.org/protobuf from 1.36.6 to 1.36.7.

---
updated-dependencies:
- dependency-name: google.golang.org/protobuf
  dependency-version: 1.36.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
2025-08-09 20:27:25 +00:00

34 lines
1.1 KiB
Go

// Copyright 2025 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package filedesc
import "google.golang.org/protobuf/reflect/protoreflect"
// UsePresenceForField reports whether the presence bitmap should be used for
// the specified field.
func UsePresenceForField(fd protoreflect.FieldDescriptor) (usePresence, canBeLazy bool) {
switch {
case fd.ContainingOneof() != nil && !fd.ContainingOneof().IsSynthetic():
// Oneof fields never use the presence bitmap.
//
// Synthetic oneofs are an exception: Those are used to implement proto3
// optional fields and hence should follow non-oneof field semantics.
return false, false
case fd.IsMap():
// Map-typed fields never use the presence bitmap.
return false, false
case fd.Kind() == protoreflect.MessageKind || fd.Kind() == protoreflect.GroupKind:
// Lazy fields always use the presence bitmap (only messages can be lazy).
isLazy := fd.(interface{ IsLazy() bool }).IsLazy()
return isLazy, isLazy
default:
// If the field has presence, use the presence bitmap.
return fd.HasPresence(), false
}
}