Gecode::ActivityWrongArity Gecode::Exception exception.hpp Gecode::ActivityWrongArity::ActivityWrongArity (const char *l) ActivityWrongArity const char * l Initialize with location l. Exception: activity has wrong arity Gecode::Exception std::exception Gecode::ActivityWrongArity Gecode::Exception std::exception Gecode::ActivityWrongArity Gecode::ActivityWrongArityActivityWrongArity Gecode::ActivityWrongArityException Gecode::ActivityWrongAritywhat