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Add range-based when_all overloads and consolidate internals #231

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Merged
mvandeberg merged 1 commit into from
Mar 12, 2026
Merged

Add range-based when_all overloads and consolidate internals #231

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14 changes: 14 additions & 0 deletions include/boost/capy/concept/io_awaitable.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
#include <boost/capy/detail/config.hpp>
#include <coroutine>
#include <boost/capy/ex/io_env.hpp>
#include <ranges>

namespace boost {
namespace capy {
Expand Down Expand Up @@ -121,6 +122,19 @@ concept IoAwaitable =
template<typename A>
using awaitable_result_t = decltype(std::declval<std::decay_t<A>&>().await_resume());

/** Concept for ranges of I/O awaitables.

A range satisfies `IoAwaitableRange` if it is a sized input range
whose value type satisfies @ref IoAwaitable.

@tparam R The range type.
*/
template<typename R>
concept IoAwaitableRange =
std::ranges::input_range<R> &&
std::ranges::sized_range<R> &&
IoAwaitable<std::ranges::range_value_t<R>>;

} // namespace capy
} // namespace boost

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