Method visit

src/ast/ast_lint.cpp:831–846

            }
        }
        virtual ExpressionPtr visit ( ExprInvoke * expr ) override {
            Visitor::visit(expr);
            if ( expr->isInvokeMethod ) {
                auto arg0 = expr->arguments[0];
                if ( arg0->rtti_isR2V() ) {
                    arg0 = static_cast<ExprRef2Value*>(arg0)->subexpr;
                }
                if ( arg0->rtti_isField() ) {
                    auto field = static_cast<ExprField*>(arg0);
                    if ( field->value->rtti_isTypeDecl() ) {
                        usedTypeExprs.erase(field->value);
                    }
                }
            }
            return expr;
        }
        virtual ExpressionPtr visit ( ExprCall * expr ) override {
            Visitor::visit(expr);
            if ( expr->func ) {