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[memory.syn][specialized.algorithms] Prefer trailing returns on complex signatures #6964

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[memory.syn][specialized.algorithms] Prefer trailing returns on complex signatures #6964

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73 changes: 38 additions & 35 deletions source/algorithms.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -11105,10 +11105,10 @@
namespace ranges {
template<@\exposconcept{nothrow-forward-iterator}@ I, @\exposconcept{nothrow-sentinel-for}@<I> S>
requires @\libconcept{default_initializable}@<iter_value_t<I>>
I uninitialized_default_construct(I first, S last);
auto uninitialized_default_construct(I first, S last) -> I;
template<@\exposconcept{nothrow-forward-range}@ R>
requires @\libconcept{default_initializable}@<range_value_t<R>>
borrowed_iterator_t<R> uninitialized_default_construct(R&& r);
auto uninitialized_default_construct(R&& r) -> borrowed_iterator_t<R>;
}
\end{itemdecl}

Expand All @@ -11126,7 +11126,8 @@
\indexlibraryglobal{uninitialized_default_construct_n}%
\begin{itemdecl}
template<class NoThrowForwardIterator, class Size>
NoThrowForwardIterator uninitialized_default_construct_n(NoThrowForwardIterator first, Size n);
auto uninitialized_default_construct_n(NoThrowForwardIterator first, Size n)
-> NoThrowForwardIterator;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -11146,7 +11147,7 @@
namespace ranges {
template<@\exposconcept{nothrow-forward-iterator}@ I>
requires @\libconcept{default_initializable}@<iter_value_t<I>>
I uninitialized_default_construct_n(I first, iter_difference_t<I> n);
auto uninitialized_default_construct_n(I first, iter_difference_t<I> n) -> I;
}
\end{itemdecl}

Expand Down Expand Up @@ -11184,10 +11185,10 @@
namespace ranges {
template<@\exposconcept{nothrow-forward-iterator}@ I, @\exposconcept{nothrow-sentinel-for}@<I> S>
requires @\libconcept{default_initializable}@<iter_value_t<I>>
I uninitialized_value_construct(I first, S last);
auto uninitialized_value_construct(I first, S last) -> I;
template<@\exposconcept{nothrow-forward-range}@ R>
requires @\libconcept{default_initializable}@<range_value_t<R>>
borrowed_iterator_t<R> uninitialized_value_construct(R&& r);
auto uninitialized_value_construct(R&& r) -> borrowed_iterator_t<R>;
}
\end{itemdecl}

Expand All @@ -11205,7 +11206,8 @@
\indexlibraryglobal{uninitialized_value_construct_n}%
\begin{itemdecl}
template<class NoThrowForwardIterator, class Size>
NoThrowForwardIterator uninitialized_value_construct_n(NoThrowForwardIterator first, Size n);
auto uninitialized_value_construct_n(NoThrowForwardIterator first, Size n)
-> NoThrowForwardIterator;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -11225,7 +11227,7 @@
namespace ranges {
template<@\exposconcept{nothrow-forward-iterator}@ I>
requires @\libconcept{default_initializable}@<iter_value_t<I>>
I uninitialized_value_construct_n(I first, iter_difference_t<I> n);
auto uninitialized_value_construct_n(I first, iter_difference_t<I> n) -> I;
}
\end{itemdecl}

Expand All @@ -11244,8 +11246,8 @@
\indexlibraryglobal{uninitialized_copy}%
\begin{itemdecl}
template<class InputIterator, class NoThrowForwardIterator>
NoThrowForwardIterator uninitialized_copy(InputIterator first, InputIterator last,
NoThrowForwardIterator result);
auto uninitialized_copy(InputIterator first, InputIterator last, NoThrowForwardIterator result)
-> NoThrowForwardIterator;
\end{itemdecl}

\begin{itemdescr}
Expand Down Expand Up @@ -11273,12 +11275,12 @@
template<@\libconcept{input_iterator}@ I, @\libconcept{sentinel_for}@<I> S1,
@\exposconcept{nothrow-forward-iterator}@ O, @\exposconcept{nothrow-sentinel-for}@<O> S2>
requires @\libconcept{constructible_from}@<iter_value_t<O>, iter_reference_t<I>>
uninitialized_copy_result<I, O>
uninitialized_copy(I ifirst, S1 ilast, O ofirst, S2 olast);
auto uninitialized_copy(I ifirst, S1 ilast, O ofirst, S2 olast)
-> uninitialized_copy_result<I, O>;
template<@\libconcept{input_range}@ IR, @\exposconcept{nothrow-forward-range}@ OR>
requires @\libconcept{constructible_from}@<range_value_t<OR>, range_reference_t<IR>>
uninitialized_copy_result<borrowed_iterator_t<IR>, borrowed_iterator_t<OR>>
uninitialized_copy(IR&& in_range, OR&& out_range);
auto uninitialized_copy(IR&& in_range, OR&& out_range);
-> uninitialized_copy_result<borrowed_iterator_t<IR>, borrowed_iterator_t<OR>>
}
\end{itemdecl}

Expand All @@ -11300,8 +11302,8 @@
\indexlibraryglobal{uninitialized_copy_n}%
\begin{itemdecl}
template<class InputIterator, class Size, class NoThrowForwardIterator>
NoThrowForwardIterator uninitialized_copy_n(InputIterator first, Size n,
NoThrowForwardIterator result);
auto uninitialized_copy_n(InputIterator first, Size n, NoThrowForwardIterator result)
-> NoThrowForwardIterator;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -11328,8 +11330,8 @@
namespace ranges {
template<@\libconcept{input_iterator}@ I, @\exposconcept{nothrow-forward-iterator}@ O, @\exposconcept{nothrow-sentinel-for}@<O> S>
requires @\libconcept{constructible_from}@<iter_value_t<O>, iter_reference_t<I>>
uninitialized_copy_n_result<I, O>
uninitialized_copy_n(I ifirst, iter_difference_t<I> n, O ofirst, S olast);
auto uninitialized_copy_n(I ifirst, iter_difference_t<I> n, O ofirst, S olast)
-> uninitialized_copy_n_result<I, O>;
}
\end{itemdecl}

Expand All @@ -11354,8 +11356,8 @@
\indexlibraryglobal{uninitialized_move}%
\begin{itemdecl}
template<class InputIterator, class NoThrowForwardIterator>
NoThrowForwardIterator uninitialized_move(InputIterator first, InputIterator last,
NoThrowForwardIterator result);
auto uninitialized_move(InputIterator first, InputIterator last, NoThrowForwardIterator result)
-> NoThrowForwardIterator;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -11380,12 +11382,12 @@
template<@\libconcept{input_iterator}@ I, @\libconcept{sentinel_for}@<I> S1,
@\exposconcept{nothrow-forward-iterator}@ O, @\exposconcept{nothrow-sentinel-for}@<O> S2>
requires @\libconcept{constructible_from}@<iter_value_t<O>, iter_rvalue_reference_t<I>>
uninitialized_move_result<I, O>
uninitialized_move(I ifirst, S1 ilast, O ofirst, S2 olast);
auto uninitialized_move(I ifirst, S1 ilast, O ofirst, S2 olast)
-> uninitialized_move_result<I, O>;
template<@\libconcept{input_range}@ IR, @\exposconcept{nothrow-forward-range}@ OR>
requires @\libconcept{constructible_from}@<range_value_t<OR>, range_rvalue_reference_t<IR>>
uninitialized_move_result<borrowed_iterator_t<IR>, borrowed_iterator_t<OR>>
uninitialized_move(IR&& in_range, OR&& out_range);
auto uninitialized_move(IR&& in_range, OR&& out_range)
-> uninitialized_move_result<borrowed_iterator_t<IR>, borrowed_iterator_t<OR>>;
}
\end{itemdecl}

Expand Down Expand Up @@ -11414,8 +11416,8 @@
\indexlibraryglobal{uninitialized_move_n}%
\begin{itemdecl}
template<class InputIterator, class Size, class NoThrowForwardIterator>
pair<InputIterator, NoThrowForwardIterator>
uninitialized_move_n(InputIterator first, Size n, NoThrowForwardIterator result);
auto uninitialized_move_n(InputIterator first, Size n, NoThrowForwardIterator result)
-> pair<InputIterator, NoThrowForwardIterator>;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -11439,8 +11441,8 @@
namespace ranges {
template<@\libconcept{input_iterator}@ I, @\exposconcept{nothrow-forward-iterator}@ O, @\exposconcept{nothrow-sentinel-for}@<O> S>
requires @\libconcept{constructible_from}@<iter_value_t<O>, iter_rvalue_reference_t<I>>
uninitialized_move_n_result<I, O>
uninitialized_move_n(I ifirst, iter_difference_t<I> n, O ofirst, S olast);
auto uninitialized_move_n(I ifirst, iter_difference_t<I> n, O ofirst, S olast)
-> uninitialized_move_n_result<I, O>;
}
\end{itemdecl}

Expand Down Expand Up @@ -11490,10 +11492,10 @@
namespace ranges {
template<@\exposconcept{nothrow-forward-iterator}@ I, @\exposconcept{nothrow-sentinel-for}@<I> S, class T>
requires @\libconcept{constructible_from}@<iter_value_t<I>, const T&>
I uninitialized_fill(I first, S last, const T& x);
auto uninitialized_fill(I first, S last, const T& x) -> I;
template<@\exposconcept{nothrow-forward-range}@ R, class T>
requires @\libconcept{constructible_from}@<range_value_t<R>, const T&>
borrowed_iterator_t<R> uninitialized_fill(R&& r, const T& x);
auto uninitialized_fill(R&& r, const T& x) -> borrowed_iterator_t<R>;
}
\end{itemdecl}

Expand All @@ -11511,7 +11513,8 @@
\indexlibraryglobal{uninitialized_fill_n}%
\begin{itemdecl}
template<class NoThrowForwardIterator, class Size, class T>
NoThrowForwardIterator uninitialized_fill_n(NoThrowForwardIterator first, Size n, const T& x);
auto uninitialized_fill_n(NoThrowForwardIterator first, Size n, const T& x)
-> NoThrowForwardIterator;
\end{itemdecl}

\begin{itemdescr}
Expand All @@ -11531,7 +11534,7 @@
namespace ranges {
template<@\exposconcept{nothrow-forward-iterator}@ I, class T>
requires @\libconcept{constructible_from}@<iter_value_t<I>, const T&>
I uninitialized_fill_n(I first, iter_difference_t<I> n, const T& x);
auto uninitialized_fill_n(I first, iter_difference_t<I> n, const T& x) -> I;
}
\end{itemdecl}

Expand Down Expand Up @@ -11615,10 +11618,10 @@
namespace ranges {
template<@\exposconcept{nothrow-input-iterator}@ I, @\exposconcept{nothrow-sentinel-for}@<I> S>
requires @\libconcept{destructible}@<iter_value_t<I>>
constexpr I destroy(I first, S last) noexcept;
constexpr auto destroy(I first, S last) noexcept -> I;
template<@\exposconcept{nothrow-input-range}@ R>
requires @\libconcept{destructible}@<range_value_t<R>>
constexpr borrowed_iterator_t<R> destroy(R&& r) noexcept;
constexpr auto destroy(R&& r) -> borrowed_iterator_t<R> noexcept;
}
\end{itemdecl}

Expand Down Expand Up @@ -11655,7 +11658,7 @@
namespace ranges {
template<@\exposconcept{nothrow-input-iterator}@ I>
requires @\libconcept{destructible}@<iter_value_t<I>>
constexpr I destroy_n(I first, iter_difference_t<I> n) noexcept;
constexpr auto destroy_n(I first, iter_difference_t<I> n) -> I noexcept;
}
\end{itemdecl}

Expand Down
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