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trait FileHasher extends AnyRef

A function to convert a Path to a hash code used to check if the file content is changed. This is called by DirectoryWatcher after checking that the path exists and is not a directory. Therefore this hasher can generally assume that those two things are true.

By default, this hasher may throw an IOException, which will be treated as a null hash by the watcher, meaning the associated event will be ignored. If you want to handle that exception you can catch/rethrow it.

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  1. abstract def hash(path: Path): HashCode

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