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libstdc++: Change class-key for duration and time_point to class

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We define these with the 'struct' keyword, but the standard uses
'class'. This results in warnings if users try to refer to them using
elaborated type specifiers.

libstdc++-v3/ChangeLog:

	* include/bits/chrono.h (duration, time_point): Change 'struct'
	to 'class'.
This commit is contained in:
Jonathan Wakely
2022-12-02 16:18:43 +00:00
parent e6110da479
commit 7eec3114eb
1 changed files with 5 additions and 5 deletions
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10
libstdc++-v3/include/bits/chrono.h
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@@ -59,11 +59,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
/// `chrono::duration` represents a distance between two points in time
template<typename _Rep, typename _Period = ratio<1>>
struct duration;
class duration;
/// `chrono::time_point` represents a point in time as measured by a clock
template<typename _Clock, typename _Dur = typename _Clock::duration>
struct time_point;
class time_point;
/// @}
}
@@ -431,14 +431,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
/// @endcond
template<typename _Rep, typename _Period>
struct duration
class duration
{
static_assert(!__is_duration<_Rep>::value, "rep cannot be a duration");
static_assert(__is_ratio<_Period>::value,
"period must be a specialization of ratio");
static_assert(_Period::num > 0, "period must be positive");
private:
template<typename _Rep2>
using __is_float = treat_as_floating_point<_Rep2>;
@@ -844,11 +843,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#undef _GLIBCXX_CHRONO_INT64_T
template<typename _Clock, typename _Dur>
struct time_point
class time_point
{
static_assert(__is_duration<_Dur>::value,
"duration must be a specialization of std::chrono::duration");
public:
typedef _Clock clock;
typedef _Dur duration;
typedef typename duration::rep rep;