def err.os
import ezsys@0.1.0.0/src/errno.bend as Errnoimport Base
154# a failed file operation as Python's OSError writes it
155def err.os(+code: U32, +why: String, +path: String) -> String:
156 "[Errno " ++ U32.show(code) ++ "] " ++ err.text(code, why) ++ ": "
157 ++ err.repr(path)