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Attempt to fix the clang build

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This commit is contained in:
Denis Blank 2018-03-01 03:19:49 +01:00
parent 7602dfd50d
commit a9da11149b
1 changed files with 12 additions and 8 deletions
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20
include/continuable/detail/composition-all.hpp
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@ -50,23 +50,27 @@ namespace detail {
namespace composition {
namespace all {
struct all_hint_deducer {
static constexpr auto deduce(hints::signature_hint_tag<>) noexcept
-> decltype(spread_this());
static constexpr auto deduce(hints::signature_hint_tag<>) noexcept {
return spread_this();
}
template <typename First>
static constexpr auto deduce(hints::signature_hint_tag<First>) -> First;
static constexpr auto deduce(hints::signature_hint_tag<First>) {
return First{};
}
template <typename First, typename Second, typename... Args>
static constexpr auto
deduce(hints::signature_hint_tag<First, Second, Args...>)
-> decltype(spread_this(std::declval<First>(), std::declval<Second>(),
std::declval<Args>()...));
deduce(hints::signature_hint_tag<First, Second, Args...>) {
return spread_this(First{}, Second{}, Args{}...);
}
template <
typename T,
std::enable_if_t<base::is_continuable<std::decay_t<T>>::value>* = nullptr>
auto operator()(T&& /*continuable*/) const
-> decltype(deduce(hints::hint_of(traits::identify<T>{})));
auto operator()(T&& /*continuable*/) const {
return deduce(hints::hint_of(traits::identify<T>{}));
}
};
constexpr auto deduce_from_pack(traits::identity<void>)