hof/test/lambda.cpp

#include <fit/lambda.h>
#include <fit/conditional.h>
#include <memory>
#include "test.h"

static constexpr auto add_one = FIT_STATIC_LAMBDA(int x)
{
    return x + 1;
};

template<class F>
struct wrapper : F
{
    FIT_INHERIT_CONSTRUCTOR(wrapper, F)
};

template<class T>
constexpr wrapper<T> wrap(T x)
{
    return x;
}

FIT_TEST_CASE()
{
    FIT_TEST_CHECK(3 == add_one(2));
}

FIT_TEST_CASE()
{
    constexpr auto add_one_again = add_one;
    FIT_TEST_CHECK(3 == add_one_again(2));
}

FIT_TEST_CASE()
{
    constexpr auto add_one_again = wrap(add_one);
    FIT_TEST_CHECK(3 == add_one_again(2));
}