Function scrn

test/build-test.cpp:11–19

bool testSelfContaining();

int scrn() {

  fu2::unique_function<void(int, int)> fun = [](int /*a*/, int /*b*/) {
    // ...
  };

  (void)fun;
  return 0;
}

// Issue #6
TEST(build_tests, the_header_is_self_containing) {