}
}

func (check *Checker) rangeStmt(inner stmtContext, s *syntax.ForStmt, rclause *syntax.RangeClause) {
	// Convert syntax form to local variables.
	type Expr = syntax.Expr
	type identType = syntax.Name
	identName := func(n *identType) string { return n.Value }
	sKey := rclause.Lhs // possibly nil
	var sValue, sExtra syntax.Expr
	if p, _ := sKey.(*syntax.ListExpr); p != nil {
		if len(p.ElemList) < 2 {

	}
}

func (check *Checker) rangeStmt(inner stmtContext, s *ast.RangeStmt) {
	// Convert go/ast form to local variables.
	type Expr = ast.Expr
	type identType = ast.Ident
	identName := func(n *identType) string { return n.Name }
	sKey, sValue := s.Key, s.Value
	var sExtra ast.Expr = nil // (used only in types2 fork)
	isDef := s.Tok == token.DEFINE
	rangeVar := s.X