// the newly named object is inserted into the signature's scope,
// and the object and new field name are returned.
//
// The intended use for RenameResult is to allow rangefunc to assign results within a closure.
// This is a hack, as narrowly targeted as possible to discourage abuse.
func (s *Signature) RenameResult(results []*syntax.Field, i int) (*Var, *syntax.Name) {
	a := results[i]
	obj := s.Results().At(i)

	tv.SetIsValue()
	n.SetTypeInfo(tv)
	r.info.Defs[n] = obj
	return obj, n
}

func (r *rewriter) generateParamName(results []*syntax.Field, i int) {
	obj, n := r.sig.RenameResult(results, i)
	r.info.Defs[n] = obj
}

// declVar declares a variable with a given name type and initializer value.
func (r *rewriter) declVar(name string, typ types2.Type, init syntax.Expr) *types2.Var {