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Extend File.stat/2, File.stat!/2, File.regular?/2, File.dir?/2, and File.exists?/2 to accept an open io_device in addition to a path. This lets callers inspect a handle they already hold and avoids time-of-check to time-of-use races. File.lstat is unchanged because :file.read_link_info does not accept io devices. Assisted-by: Claude:claude-opus-4-7
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Extend
File.stat/2,File.stat!/2,File.regular?/2,File.dir?/2, andFile.exists?/2to accept an openio_devicein addition to a path. This lets callers inspect a handle they already hold and avoids time-of-check to time-of-use races.File.lstatis unchanged because:file.read_link_infodoes not accept io devices.Assisted-by: Claude:claude-opus-4-7