// // Copyright (c) 2007, Brian Frank and Andy Frank // Licensed under the Academic Free License version 3.0 // // History: // 2 Feb 07 Brian Frank Creation // ** ** NotImmutableErr indicates using a mutable Obj where an immutable Obj is ** required. See Obj.isImmutable for the definition of immutability. ** const class NotImmutableErr : Err { ** ** Construct with specified error message and optional root cause. ** new make(Str? msg := null, Err? cause := null) }