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Adopt LWG-3541 indirectly_readable_traits should be SFINAE-friendly for all types #1992

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Merged
StephanTLavavej merged 3 commits into from
Jun 29, 2021
Merged

Adopt LWG-3541 indirectly_readable_traits should be SFINAE-friendly for all types #1992

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f613e60
Adopt LWG-3541
miscco Jun 9, 2021
a42c945
drop mentions in yvals_core
miscco Jun 10, 2021
692b2d3
Remove duplicated tests
miscco Jun 23, 2021
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4 changes: 4 additions & 0 deletions stl/inc/xutility
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Original file line number Diff line number Diff line change
Expand Up @@ -431,6 +431,10 @@ template <_Has_member_element_type _Ty>
struct indirectly_readable_traits<_Ty> : _Cond_value_type<typename _Ty::element_type> {};

// clang-format off
template <_Has_member_value_type _Ty>
requires _Has_member_element_type<_Ty>
struct indirectly_readable_traits<_Ty> {};

template <_Has_member_value_type _Ty>
requires _Has_member_element_type<_Ty>
&& same_as<remove_cv_t<typename _Ty::value_type>, remove_cv_t<typename _Ty::element_type>>
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