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4 changes: 4 additions & 0 deletions include/beman/execution26/detail/product_type.hpp
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,8 @@
#include <memory>
#include <cstddef>

#include <beman/execution26/detail/suppress_push.hpp>

// ----------------------------------------------------------------------------

namespace beman::execution26::detail {
Expand Down Expand Up @@ -126,4 +128,6 @@ struct tuple_element<I, T> {

// ----------------------------------------------------------------------------

#include <beman/execution26/detail/suppress_pop.hpp>

#endif
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,8 @@ struct single_sender_value_type_helper<Sender, Env> {

template <typename Sender, typename Env>
requires ::std::same_as<::std::variant<::std::tuple<>>,
::beman::execution26::value_types_of_t<Sender, Env, ::std::tuple, ::std::variant>> ||
::std::same_as<::std::variant<>,
::beman::execution26::value_types_of_t<Sender, Env, ::std::tuple, ::std::variant>>
struct single_sender_value_type_helper<Sender, Env> {
using type = void;
Expand Down
8 changes: 4 additions & 4 deletions tests/beman/execution26/execution-syn.test.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -225,18 +225,18 @@ auto test_single_sender_value_type() -> void {
test_detail::single_sender_value_type<multi_type_sender, test_std::empty_env>>);
test_single_sender_value_type<true>(single_type_sender{}, test_std::empty_env{});
test_single_sender_value_type<true>(single_type_sender{}, test_env{});
test_single_sender_value_type<false>(single_type_sender{}, no_value_env{});
test_single_sender_value_type<true>(single_type_sender{}, no_value_env{});
test_single_sender_value_type<false>(multi_single_sender{}, test_std::empty_env{});
test_single_sender_value_type<false>(no_value_sender{}, test_std::empty_env{});
test_single_sender_value_type<true>(no_value_sender{}, test_std::empty_env{});
}

auto test_single_sender() -> void {
static_assert(test_detail::single_sender<single_type_sender, test_std::empty_env>);
static_assert(not test_detail::single_sender<single_type_sender, no_value_env>);
static_assert(test_detail::single_sender<single_type_sender, no_value_env>);
static_assert(test_detail::single_sender<void_sender, test_std::empty_env>);
static_assert(not test_detail::single_sender<multi_single_sender, test_std::empty_env>);
static_assert(test_detail::single_sender<multi_type_sender, test_std::empty_env>);
static_assert(not test_detail::single_sender<no_value_sender, test_std::empty_env>);
static_assert(test_detail::single_sender<no_value_sender, test_std::empty_env>);
}

struct connect_sender {
Expand Down
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