modeltype ecore uses ecore('http://www.eclipse.org/emf/2002/Ecore');

transformation computeExp_250403(in model : ecore, out ecore);

main(in inModel : ecore::EPackage) {
	var a := null;
	var s_result := compute (s : String = 'a') {
		s := s + 'b'; 
		s := s + 'c'; 
	};
	s_result := s_result + 'd';
	inModel.map toEPackage(s_result);
}

mapping EPackage::toEPackage(in s : String) : EPackage {
	name := compute (s1 : String = s) {
		s1 := s1 + 'e'; 
		s1 := s1 + 'f'; 
	};
}