type FileErrNo is (FileOK val | FileError val | FileEOF val | FileBadFileNumber val | FileExists val | FilePermissionDenied val)
© 2016-2018, The Pony Developers
© 2014-2015, Causality Ltd.
Licensed under the BSD 2-Clause License.
https://stdlib.ponylang.io/files-FileErrNo