Function main

example/string/comparable.cpp:12–20

int main() {
    BOOST_HANA_CONSTANT_CHECK(
        BOOST_HANA_STRING("abcdef") == BOOST_HANA_STRING("abcdef")
    );

    BOOST_HANA_CONSTANT_CHECK(
        BOOST_HANA_STRING("abcdef") != BOOST_HANA_STRING("abef")
    );
}