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Adopt LWG-3553 Useless constraint in split_view::outer-iterator::value_type::begin() #1990

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Merged
StephanTLavavej merged 2 commits into from
Jun 29, 2021
Merged

Adopt LWG-3553 Useless constraint in split_view::outer-iterator::value_type::begin() #1990

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a6aab45
Adopt LWG-3553
miscco Jun 9, 2021
ca1ff89
drop mentions in yvals_core
miscco Jun 10, 2021
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8 changes: 1 addition & 7 deletions stl/inc/ranges
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Original file line number Diff line number Diff line change
Expand Up @@ -3074,16 +3074,10 @@ namespace ranges {
is_nothrow_move_constructible_v<_Outer_iter>) // strengthened
: _First{_STD move(_First_)} {}

_NODISCARD constexpr auto begin() const requires copyable<_Outer_iter> {
_NODISCARD constexpr auto begin() const {
return _Inner_iter<_Const>{_First};
}

// clang-format off
_NODISCARD constexpr auto begin() requires (!copyable<_Outer_iter>) {
return _Inner_iter<_Const>{_STD move(_First)};
}
// clang-format on

_NODISCARD constexpr default_sentinel_t end() const noexcept {
return default_sentinel;
}
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