calls.cpp

#include <cstdio>

void f(int x, int y) {
    puts("f::f(int, int)");
}

void f(int x) {
    puts("f::f(int)");
}

struct r {
    r(int) {
        puts("r::r(int)");
    }

    r(int, int) {
        puts("r::r(int, int)");
    }
};

int main() {
    (f)(3, 4);
    auto x = (r)(3, 4);
    return 0;
}