// // Copyright (c) 2006, Brian Frank and Andy Frank // Licensed under the Academic Free License version 3.0 // // History: // 21 Jun 06 Brian Frank Creation // ** ** CastErr is a runtime exception raised when invalid cast is performed. ** const class CastErr : Err { ** ** Construct with specified error message and optional root cause. ** new make(Str? msg := null, Err? cause := null) }