#include <catch2/catch.hpp>

void declared_fn(int arg);
class declared_type;

// This class is defined, but not all the methods are.
class defined_type {
    int declared_member_fn(double);
    int defined_member_fn(int arg) { return arg; }
};

// These are all defined.
int defined_fn(int arg)
{
    (void)arg;
    return 1;
}

TEST_CASE()
{
    int i;
    int const j = 1;
    auto vd = std::vector<double> {};
    (void)i;
    (void)j;
    (void)vd;
}