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ASIO can call associated_allocator<CT, Alloc>::get with only one parameter #1943

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Merged
ericniebler merged 2 commits into from
Mar 20, 2026
Merged

ASIO can call associated_allocator<CT, Alloc>::get with only one parameter #1943

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198a42e
ASIO can call associated_allocator<CT, Alloc>::get with only one para…
ericniebler Mar 20, 2026
e3807bf
add a test for awaitability from STDEXEC::task
ericniebler Mar 20, 2026
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2 changes: 1 addition & 1 deletion include/exec/asio/completion_token.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -628,7 +628,7 @@ namespace ASIOEXEC_ASIO_NAMESPACE

static type
get(::exec::asio::detail::completion_token::completion_handler<Signatures, Receiver> const & h,
Allocator const &) noexcept
::STDEXEC::__ignore = {}) noexcept
{
return ::STDEXEC::get_allocator(::STDEXEC::get_env(h.state().r_));
}
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17 changes: 17 additions & 0 deletions test/exec/asio/test_use_sender.cpp
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Expand Up @@ -270,4 +270,21 @@ namespace
CHECK(ctx.stopped());
}

#if !STDEXEC_NO_STDCPP_COROUTINES()
template <typename Timer>
::STDEXEC::task<void> test_awaitable_in_stdexec_task(Timer& timer)
{
co_await timer.async_wait(::asio_impl::as_tuple(exec::asio::use_sender));
}

TEST_CASE("Can await an Asio-based asynchronous operation which uses use_sender as its "
"completion token from a stdexec task",
"[asioexec][use_sender]")
{
::asio_impl::io_context ctx;
::asio_impl::steady_timer timer(ctx);
CHECK_NOTHROW(test_awaitable_in_stdexec_task(timer));
}
#endif // !STDEXEC_NO_STDCPP_COROUTINES()

} // namespace
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