47 static_assert(std::is_invocable_r_v<void, ftl::Function<void()>>);
48 static_assert(std::is_trivially_copyable_v<ftl::Function<void()>>);
49 static_assert(std::is_trivially_destructible_v<ftl::Function<void()>>);
50 static_assert(std::is_trivially_copy_constructible_v<ftl::Function<void()>>);
51 static_assert(std::is_trivially_move_constructible_v<ftl::Function<void()>>);
52 static_assert(std::is_trivially_copy_assignable_v<ftl::Function<void()>>);
53 static_assert(std::is_trivially_move_assignable_v<ftl::Function<void()>>);
56 using function_traits = ftl::details::function_traits<T>;
67 static_assert(!ftl::is_function_v<KnownSizeFunctionObject<0>>);
68 static_assert(!ftl::is_function_v<std::function<void()>>);
69 static_assert(ftl::is_function_v<ftl::Function<void()>>);
74 using function_opaque_storage = ftl::details::function_opaque_storage<N>;
109       return ftl::make_function([this] { on_event(); });  in TEST()
114   ftl::Function<void()> f;  in TEST()
120   f = ftl::make_function<&MyClass::on_event>(&cls);  in TEST()
123   f = ftl::no_op;  in TEST()
132   using MyFunction = ftl::Function<int(std::string_view), 2>;  in TEST()
139   f1 = ftl::no_op;  in TEST()
146   ftl::Function<int()> f;  in TEST()
152   EXPECT_TRUE(ftl::Function<int()>() == f);  in TEST()
153   EXPECT_FALSE(ftl::Function<int()>() != f);  in TEST()
156   f = ftl::no_op;  in TEST()
165   EXPECT_FALSE(ftl::Function<int()>() == f);  in TEST()
166   EXPECT_TRUE(ftl::Function<int()>() != f);  in TEST()
169   f = ftl::Function<int()>{nullptr};  in TEST()
177   f = ftl::no_op;  in TEST()
178   ftl::Function<int()> g{std::move(f)};  in TEST()
187   ftl::Function<int()> h{f};  in TEST()
197   ftl::Function<void()> f{std::move(lambda)};  in TEST()
201   auto f = ftl::Function([] { return 1; });  in TEST()
231   using Function = ftl::Function<int(int)>;  in TEST()
243   EXPECT_EQ(check(ftl::no_op), 0);  in TEST()
264   auto f = ftl::make_function<&Observer::setCalled>(&observer);  in TEST()
270   EXPECT_TRUE(f == ftl::Function<void()>::make<&Observer::setCalled>(&observer));  in TEST()
279   const auto f = ftl::make_function<&Observer::setCalled>(&observer);  in TEST()
285   EXPECT_TRUE(f == ftl::Function<void()>::make<&Observer::setCalled>(&observer));  in TEST()
294   const auto f = ftl::make_function<&Observer::setCalled>(&observer);  in TEST()
300   EXPECT_TRUE(f == ftl::Function<void()>::make<&Observer::setCalled>(&observer));  in TEST()
304   auto f = ftl::make_function([](int a, int b) { return a + b; });  in TEST()
310   auto f = ftl::make_function([&called](int a, int b) {  in TEST()
320   auto f = ftl::make_function([&called](int a, int b) mutable {  in TEST()
333   auto f = ftl::make_function(  in TEST()
350   auto f = ftl::make_function<&std::make_unique<int, int>>();  in TEST()
358   ftl::Function<void()> a{[ptr_counter = &counter] { (*ptr_counter)++; }};  in TEST()
359   ftl::Function<void(), 1> b = a;  in TEST()
360   ftl::Function<void(), 2> c = a;  in TEST()