duration_ext.go 1.8 KB

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  1. // Copyright (c) 2020 Uber Technologies, Inc.
  2. //
  3. // Permission is hereby granted, free of charge, to any person obtaining a copy
  4. // of this software and associated documentation files (the "Software"), to deal
  5. // in the Software without restriction, including without limitation the rights
  6. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  7. // copies of the Software, and to permit persons to whom the Software is
  8. // furnished to do so, subject to the following conditions:
  9. //
  10. // The above copyright notice and this permission notice shall be included in
  11. // all copies or substantial portions of the Software.
  12. //
  13. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16. // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17. // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18. // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19. // THE SOFTWARE.
  20. package atomic
  21. import "time"
  22. //go:generate bin/gen-atomicwrapper -name=Duration -type=time.Duration -wrapped=Int64 -pack=int64 -unpack=time.Duration -cas -swap -json -imports time -file=duration.go
  23. // Add atomically adds to the wrapped time.Duration and returns the new value.
  24. func (d *Duration) Add(n time.Duration) time.Duration {
  25. return time.Duration(d.v.Add(int64(n)))
  26. }
  27. // Sub atomically subtracts from the wrapped time.Duration and returns the new value.
  28. func (d *Duration) Sub(n time.Duration) time.Duration {
  29. return time.Duration(d.v.Sub(int64(n)))
  30. }
  31. // String encodes the wrapped value as a string.
  32. func (d *Duration) String() string {
  33. return d.Load().String()
  34. }