// // Copyright (c) 2009, Brian Frank and Andy Frank // Licensed under the Academic Free License version 3.0 // // History: // 26 Mar 09 Brian Frank Creation // ** ** CancelledErr indicates that an operation was cancelled ** before it complete normally. ** const class CancelledErr : Err { ** ** Construct with specified error message and optional root cause. ** new make(Str msg := "", Err? cause := null) }