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literal suffixes for std::chrono

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@187078 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2013-07-24 21:18:14 +00:00
parent 39213641f4
commit f182038521
2 changed files with 150 additions and 0 deletions
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91
include/chrono
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@@ -259,6 +259,19 @@ typedef steady_clock high_resolution_clock;
} // chrono
constexpr chrono::hours operator "" h(unsigned long long); // C++14
constexpr chrono::duration<unspecified , ratio<3600,1>> operator "" h(long double); // C++14
constexpr chrono::minutes operator "" min(unsigned long long); // C++14
constexpr chrono::duration<unspecified , ratio<60,1>> operator "" min(long double); // C++14
constexpr chrono::seconds operator "" s(unsigned long long); // C++14
constexpr chrono::duration<unspecified > operator "" s(long double); // C++14
constexpr chrono::milliseconds operator "" ms(unsigned long long); // C++14
constexpr chrono::duration<unspecified , milli> operator "" ms(long double); // C++14
constexpr chrono::microseconds operator "" us(unsigned long long); // C++14
constexpr chrono::duration<unspecified , micro> operator "" us(long double); // C++14
constexpr chrono::nanoseconds operator "" ns(unsigned long long); // C++14
constexpr chrono::duration<unspecified , nano> operator "" ns(long double); // C++14
} // std
*/
@@ -893,6 +906,84 @@ typedef steady_clock high_resolution_clock;
} // chrono
#if _LIBCPP_STD_VER > 11
// Literal suffixes for chrono types
// inline // Deviation from N3690.
// We believe the inline to be a defect and have submitted an LWG issue.
// An LWG issue number has not yet been assigned.
namespace literals
{
inline namespace chrono_literals
{
constexpr chrono::hours operator"" h(unsigned long long __h)
{
return chrono::hours(static_cast<chrono::hours::rep>(__h));
}
constexpr chrono::duration<long double, ratio<3600,1>> operator"" h(long double __h)
{
return chrono::duration<long double, ratio<3600,1>>(__h);
}
constexpr chrono::minutes operator"" min(unsigned long long __m)
{
return chrono::minutes(static_cast<chrono::minutes::rep>(__m));
}
constexpr chrono::duration<long double, ratio<60,1>> operator"" min(long double __m)
{
return chrono::duration<long double, ratio<60,1>> (__m);
}
constexpr chrono::seconds operator"" s(unsigned long long __s)
{
return chrono::seconds(static_cast<chrono::seconds::rep>(__s));
}
constexpr chrono::duration<long double> operator"" s(long double __s)
{
return chrono::duration<long double> (__s);
}
constexpr chrono::milliseconds operator"" ms(unsigned long long __ms)
{
return chrono::milliseconds(static_cast<chrono::milliseconds::rep>(__ms));
}
constexpr chrono::duration<long double, milli> operator"" ms(long double __ms)
{
return chrono::duration<long double, milli>(__ms);
}
constexpr chrono::microseconds operator"" us(unsigned long long __us)
{
return chrono::microseconds(static_cast<chrono::microseconds::rep>(__us));
}
constexpr chrono::duration<long double, micro> operator"" us(long double __us)
{
return chrono::duration<long double, micro> (__us);
}
constexpr chrono::nanoseconds operator"" ns(unsigned long long __ns)
{
return chrono::nanoseconds(static_cast<chrono::nanoseconds::rep>(__ns));
}
constexpr chrono::duration<long double, nano> operator"" ns(long double __ns)
{
return chrono::duration<long double, nano> (__ns);
}
}}
#endif
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CHRONO