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Add a supplier overload to make_ready_continuable

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This commit is contained in:
Denis Blank 2018-03-13 13:13:39 +01:00
parent d30814c2ff
commit db40ba883f
1 changed files with 18 additions and 1 deletions
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19
include/continuable/continuable-base.hpp
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@ -830,7 +830,8 @@ constexpr auto make_ready_continuable() {
/// the promise with the given value.
///
/// \copydetails make_ready_continuable()
template <typename Result>
template <typename Result, std::enable_if_t<!detail::traits::is_invocable<
std::decay<Result>>::value>* = nullptr>
constexpr auto make_ready_continuable(Result&& result) {
return make_continuable<std::decay_t<Result>>( // ...
[result = std::forward<Result>(result)](auto&& promise) mutable {
@ -838,6 +839,22 @@ constexpr auto make_ready_continuable(Result&& result) {
});
}
/// Returns a continuable_base with which arguments are dependent on the
/// given supplier callable object.
///
/// The signature of the resulting continuable_base is equal to the expression:
/// ````cpp
/// make_ready_continuable().then(std::forward<Callable>(callable))
/// ```
///
/// \since 3.1.0
template <typename Callable, std::enable_if_t<detail::traits::is_invocable<
std::decay<Callable>>::value>* = nullptr>
constexpr auto make_ready_continuable(Callable&& callable) {
// TODO Improve this for elliding the temporary object
return make_ready_continuable().then(std::forward<Callable>(callable));
}
/// Returns a continuable_base with multiple result values which instantly
/// resolves the promise with the given values.
///