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libstdc++: Make net::service_already_exists default constructible

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The LWG issue I created is Tentatively Ready and proposes to declare a
public default constructor, rather than the private one I added
recently.

	* include/experimental/executor (service_already_exists): Make default
	constructor public (LWG 3414).
	* testsuite/experimental/net/execution_context/make_service.cc: Check
	the service_already_exists can be default constructed.
This commit is contained in:
Jonathan Wakely 2020-04-24 14:15:51 +01:00
parent 1d072f3eea
commit 00082ff88c
3 changed files with 13 additions and 4 deletions
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7
libstdc++-v3/ChangeLog
View file

@ -1,3 +1,10 @@
2020-04-24 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/executor (service_already_exists): Make default
constructor public (LWG 3414).
* testsuite/experimental/net/execution_context/make_service.cc: Check
the service_already_exists can be default constructed.
2020-04-24 Kamlesh Kumar <kamleshbhalui@gmail.com>
Jonathan Wakely <jwakely@redhat.com>

7
libstdc++-v3/include/experimental/executor
View file

@ -129,10 +129,9 @@ inline namespace v1
class service_already_exists : public logic_error
{
template<typename _Service, typename... _Args>
friend _Service&
make_service(execution_context&, _Args&&...);
public:
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 3414. service_already_exists has no usable constructors
service_already_exists() : logic_error("service already exists") { }
};

3
libstdc++-v3/testsuite/experimental/net/execution_context/make_service.cc
View file

@ -34,3 +34,6 @@ void test01(net::execution_context& c)
{
net::make_service<S>(c);
}
static_assert(std::is_default_constructible<net::service_already_exists>(),
"LWG 3414. service_already_exists has no usable constructors");