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  1. // Copyright © 2018 Steve Francia <spf@spf13.com>.
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. // http://www.apache.org/licenses/LICENSE-2.0
  7. //
  8. // Unless required by applicable law or agreed to in writing, software
  9. // distributed under the License is distributed on an "AS IS" BASIS,
  10. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  11. // See the License for the specific language governing permissions and
  12. // limitations under the License.
  13. package afero
  14. import (
  15. "os"
  16. )
  17. // Lstater is an optional interface in Afero. It is only implemented by the
  18. // filesystems saying so.
  19. // It will call Lstat if the filesystem iself is, or it delegates to, the os filesystem.
  20. // Else it will call Stat.
  21. // In addtion to the FileInfo, it will return a boolean telling whether Lstat was called or not.
  22. type Lstater interface {
  23. LstatIfPossible(name string) (os.FileInfo, bool, error)
  24. }
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