// // Copyright (c) 2006, Brian Frank and Andy Frank // Licensed under the Academic Free License version 3.0 // // History: // 11 Jan 06 Brian Frank Creation // ** ** UnsupportedErr indicates a feature which isn't supported. ** const class UnsupportedErr : Err { ** ** Construct with specified error message and optional root cause. ** new make(Str? msg := null, Err? cause := null) }