event_log.go 911 B

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  1. /*
  2. * Copyright 2019 Dgraph Labs, Inc. and Contributors
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. */
  16. package y
  17. import "golang.org/x/net/trace"
  18. var (
  19. NoEventLog trace.EventLog = nilEventLog{}
  20. )
  21. type nilEventLog struct{}
  22. func (nel nilEventLog) Printf(format string, a ...interface{}) {}
  23. func (nel nilEventLog) Errorf(format string, a ...interface{}) {}
  24. func (nel nilEventLog) Finish() {}