//// Copyright (c) 2007, Brian Frank and Andy Frank// Licensed under the Academic Free License version 3.0//// History:// 28 Jan 07 Brian Frank Creation//**** InterruptedErr indicates that a thread is interrupted from** its normal execution.**const class InterruptedErr : Err {**** Construct with specified error message and optional root cause.**new make(Str msg := "", Err? cause := null) }