sha512sum/utempl
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add call def if not found and def not default value

Browse source
This commit is contained in:
sha512sum 2024-07-15 17:40:29 +00:00
parent e15d520cfa
commit ce44168333
1 changed files with 33 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
include/utempl/utils.hpp
View file

@ -317,9 +317,12 @@ concept UnpackConcept = []<std::size_t... Is>(std::index_sequence<Is...>) {
template <typename F, typename Tuple> template <typename F, typename Tuple>
concept TransformConcept = []<std::size_t... Is>(std::index_sequence<Is...>) { concept TransformConcept = []<std::size_t... Is>(std::index_sequence<Is...>) {
return ((std::invocable<F, decltype(Get<Is>(std::declval<Tuple>()))> && return ([] {
!std::same_as<std::invoke_result_t<F, decltype(Get<Is>(std::declval<Tuple>()))>, void>) && if constexpr(std::invocable<F, decltype(Get<Is>(std::declval<Tuple>()))>) {
...); return !std::same_as<std::invoke_result_t<F, decltype(Get<Is>(std::declval<Tuple>()))>, void>;
};
return false;
}() && ...);
}(std::make_index_sequence<kTupleSize<Tuple>>()); }(std::make_index_sequence<kTupleSize<Tuple>>());
template <typename F, typename Tuple> template <typename F, typename Tuple>
@ -422,7 +425,12 @@ struct LeftFold<T, F> {
template <typename F, typename T, typename Tuple> template <typename F, typename T, typename Tuple>
concept LeftFoldConcept = decltype(Unpack(std::declval<Tuple>(), []<typename... Ts>(Ts&&...) { concept LeftFoldConcept = decltype(Unpack(std::declval<Tuple>(), []<typename... Ts>(Ts&&...) {
return kWrapper<(std::convertible_to<std::invoke_result_t<F, T, Ts>, T> && ...)>; return kWrapper<([] {
if constexpr(std::invocable<F, T, Ts>) {
return std::convertible_to<std::invoke_result_t<F, T, Ts>, T>;
};
return false;
}() && ...)>;
}))::kValue; }))::kValue;
} // namespace impl } // namespace impl
@ -518,7 +526,11 @@ namespace impl {
template <typename F, typename Tuple> template <typename F, typename Tuple>
concept FilterConcept = decltype(Unpack(std::declval<Tuple>(), []<typename... Ts>(Ts&&...) { concept FilterConcept = decltype(Unpack(std::declval<Tuple>(), []<typename... Ts>(Ts&&...) {
return kWrapper<((std::invocable<F, Ts> && std::convertible_to<std::invoke_result_t<F, Ts>, bool>) && ...)>; return kWrapper<([] {
if constexpr(std::invocable<F, Ts>) {
return std::convertible_to<std::invoke_result_t<F, Ts>, bool>;
};
}() && ...)>;
}))::kValue; }))::kValue;
} // namespace impl } // namespace impl
@ -661,7 +673,14 @@ concept ComparableSwitchConcept = decltype(Unpack(std::declval<KeysTuple>(), []<
template <typename F, typename ValuesTuple, typename R> template <typename F, typename ValuesTuple, typename R>
concept CallableSwitchConcept = std::same_as<R, void> || decltype(Unpack(std::declval<ValuesTuple>(), []<typename... Ts>(Ts&&...) { concept CallableSwitchConcept = std::same_as<R, void> || decltype(Unpack(std::declval<ValuesTuple>(), []<typename... Ts>(Ts&&...) {
return kWrapper<(std::convertible_to<std::invoke_result_t<F, Ts>, std::optional<R>> && ...)>; return kWrapper<([] {
if constexpr(std::invocable<F, Ts>) {
if constexpr(!std::same_as<std::invoke_result_t<F, Ts>, void>) {
return std::convertible_to<std::invoke_result_t<F, Ts>, std::optional<R>>;
};
};
return false;
}() && ...)>;
}))::kValue; }))::kValue;
} // namespace impl } // namespace impl
@ -673,7 +692,7 @@ template <typename R = void,
impl::CallableSwitchConcept<ValuesTuple, R> F, impl::CallableSwitchConcept<ValuesTuple, R> F,
std::invocable Default = decltype(kDefaultCreator<R>)> std::invocable Default = decltype(kDefaultCreator<R>)>
constexpr auto Switch(KeysTuple&& keysTuple, ValuesTuple&& valuesTuple, Key&& key, F&& f, Default&& def = {}) -> R constexpr auto Switch(KeysTuple&& keysTuple, ValuesTuple&& valuesTuple, Key&& key, F&& f, Default&& def = {}) -> R
requires std::move_constructible<R> || std::same_as<R, void> requires(std::move_constructible<R> || std::same_as<R, void>) && (kTupleSize<KeysTuple> == kTupleSize<ValuesTuple>)
{ {
return Unpack(std::forward<KeysTuple>(keysTuple), [&]<typename... Keys>(Keys&&... keys) { return Unpack(std::forward<KeysTuple>(keysTuple), [&]<typename... Keys>(Keys&&... keys) {
return Unpack(std::forward<ValuesTuple>(valuesTuple), [&]<typename... Values>(Values&&... values) { return Unpack(std::forward<ValuesTuple>(valuesTuple), [&]<typename... Values>(Values&&... values) {
@ -682,7 +701,13 @@ constexpr auto Switch(KeysTuple&& keysTuple, ValuesTuple&& valuesTuple, Key&& ke
return std::forward<Keys>(keys) == std::forward<Key>(key) ? (std::forward<F>(f)(std::forward<Values>(values)), true) return std::forward<Keys>(keys) == std::forward<Key>(key) ? (std::forward<F>(f)(std::forward<Values>(values)), true)
: false; : false;
}...}, }...},
false); false)
? void(std::ignore)
: [&] {
if constexpr(!std::same_as<Default, decltype(kDefaultCreator<R>)>) {
std::forward<Default>(def)();
};
}();
} else { } else {
return *FirstOf(Tuple{[&] { return *FirstOf(Tuple{[&] {
return std::forward<Keys>(keys) == std::forward<Key>(key) ? std::forward<F>(f)(std::forward<Values>(values)) return std::forward<Keys>(keys) == std::forward<Key>(key) ? std::forward<F>(f)(std::forward<Values>(values))