bors f9615bfd67 Auto merge of #1159 - divergentdave:shim-seek, r=RalfJung
Add shim for seeking files

This adds a shim for `lseek64` (`lseek` on macOS). This enables the use of `<File as Seek>::seek`. Testing is included.
2020-02-08 13:54:33 +00:00
..
2020-02-07 14:02:27 +01:00