Function NoParams

tests/LambdaWithStaticInvokerTest.cpp:3–12

// cmdline:-std=c++20

void NoParams()
{
    auto l = []() {
        static int n{};
        return ++n;
    };

    bool res = (1 == l());     // 1
    bool res2 = (2 == (+l)());  // 2
}

auto lWithParams = [](int x, int y) {
    static int n{};