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fix completion signatures of scope test sender #178

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Merged
dietmarkuehl merged 2 commits into from
Aug 7, 2025
Merged

fix completion signatures of scope test sender #178

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26cfd42
fix completion signatures of scope test sender
dietmarkuehl Aug 6, 2025
b343776
clang-format
dietmarkuehl Aug 6, 2025
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3 changes: 2 additions & 1 deletion include/beman/execution/detail/scope_token.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,8 @@ struct token_test_env {};

struct token_test_sender {
using sender_concept = ::beman::execution::sender_t;
auto get_completion_signatures(::beman::execution::detail::token_test_env) const noexcept {
template <typename... Env>
auto get_completion_signatures(const Env&...) const noexcept {
return ::beman::execution::completion_signatures<>{};
}
};
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35 changes: 35 additions & 0 deletions tests/beman/execution/exec-then.test.cpp
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Expand Up @@ -5,6 +5,8 @@

#include <beman/execution/detail/completion_signatures_of_t.hpp>
#include <beman/execution/detail/connect.hpp>
#include <beman/execution/detail/forwarding_query.hpp>
#include <beman/execution/detail/read_env.hpp>
#include <beman/execution/detail/just.hpp>
#include <beman/execution/detail/sender.hpp>
#include <beman/execution/detail/sender_in.hpp>
Expand All @@ -22,12 +24,21 @@ struct error {
};
struct non_sender {};

struct get_value_t : test_std::forwarding_query_t {
auto operator()(const auto& e) const noexcept -> int { return e.query(*this); }
};

struct receiver {
using receiver_concept = test_std::receiver_t;

auto set_error(auto&&) && noexcept -> void {}
auto set_stopped() && noexcept -> void {}
auto set_value(auto&&...) && noexcept -> void {}

struct env {
auto query(const get_value_t&) const noexcept { return 42; }
};
auto get_env() const noexcept { return env{}; }
};

template <typename... T>
Expand Down Expand Up @@ -214,6 +225,28 @@ auto test_then_allocator() -> void {
auto state{test_std::connect(std::move(sender), memory_receiver{&resource2})};
ASSERT(resource2.count == 1u);
}

auto test_then_env() -> void {
{
receiver r{};
auto e{test_std::get_env(r)};
ASSERT(e.query(get_value_t{}) == 42);
ASSERT(get_value_t{}(e) == 42);
}
{
auto state{test_std::connect(test_std::read_env(get_value_t{}), receiver{})};
test_std::start(state);
}
{
int value{0};
auto state{test_std::connect(test_std::then(test_std::read_env(get_value_t{}), [&value](int v) { value = v; }),
receiver{})};
ASSERT(value == 0);
test_std::start(state);
ASSERT(value == 42);
}
}

} // namespace

TEST(exec_then) {
Expand All @@ -230,4 +263,6 @@ TEST(exec_then) {
test_then_multi_type();
test_then_value();
test_then_allocator();

test_then_env();
}
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