Method walk

src/builtin/module_builtin_runtime.cpp:1210–1214

            context.stopFlags = flags;
        }
        virtual void walk ( DataWalker & walker ) override {
            walker.beforeLambda(&lambda, lambda.getTypeInfo());
            walker.walk(lambda.capture, lambda.getTypeInfo());
            walker.afterLambda(&lambda, lambda.getTypeInfo());
        }
        Lambda          lambda;
        SimFunction *   simFunc = nullptr;
        lambdaFunc      aotFunc = nullptr;