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[LWG 16] P2833R2 Freestanding Library: inout expected span #6703

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Dec 17, 2023
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[LWG 16] P2833R2 Freestanding Library: inout expected span #6703

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4 changes: 3 additions & 1 deletion source/containers.tex
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Expand Up @@ -18223,13 +18223,14 @@
\begin{codeblock}
#include <initializer_list> // see \ref{initializer.list.syn}

// mostly freestanding
namespace std {
// constants
inline constexpr size_t @\libglobal{dynamic_extent}@ = numeric_limits<size_t>::max();

// \ref{views.span}, class template \tcode{span}
template<class ElementType, size_t Extent = dynamic_extent>
class span;
class span; // partially freestanding

template<class ElementType, size_t Extent>
constexpr bool ranges::@\libspec{enable_view}{span}@<span<ElementType, Extent>> = true;
Expand Down Expand Up @@ -19037,6 +19038,7 @@

\indexheader{mdspan}%
\begin{codeblock}
// all freestanding
namespace std {
// \ref{mdspan.extents}, class template \tcode{extents}
template<class IndexType, size_t... Extents>
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3 changes: 3 additions & 0 deletions source/lib-intro.tex
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Expand Up @@ -1525,13 +1525,16 @@
\ref{tuple} & Tuples & \tcode{<tuple>} \\ \rowsep
\ref{optional} & Optional objects & \tcode{<optional>} \\ \rowsep
\ref{variant} & Variants & \tcode{<variant>} \\ \rowsep
\ref{expected} & Expected objects & \tcode{<expected>} \\ \rowsep
\ref{function.objects} & Function objects & \tcode{<functional>} \\ \rowsep
\ref{charconv} & Primitive numeric conversions & \tcode{<charconv>} \\ \rowsep
\ref{bit} & Bit manipulation & \tcode{<bit>} \\ \rowsep
\ref{string.view} & String view classes & \tcode{<string_view>} \\ \rowsep
\ref{string.classes} & String classes & \tcode{<string>} \\ \rowsep
\ref{c.strings} & Null-terminated sequence utilities & \tcode{<cstring>}, \tcode{<cwchar>} \\ \rowsep
\ref{array} & Class template \tcode{array} & \tcode{<array>} \\ \rowsep
\ref{views.contiguous} & Contiguous access & \tcode{<span>} \\ \rowsep
\ref{views.multidim} & Multidimensional access & \tcode{<mdspan>} \\ \rowsep
\ref{iterators} & Iterators library & \tcode{<iterator>} \\ \rowsep
\ref{ranges} & Ranges library & \tcode{<ranges>} \\ \rowsep
\ref{algorithms} & Algorithms library & \tcode{<algorithm>}, \tcode{<numeric>} \\ \rowsep
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8 changes: 4 additions & 4 deletions source/memory.tex
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Expand Up @@ -570,19 +570,19 @@

// \ref{out.ptr.t}, class template \tcode{out_ptr_t}
template<class Smart, class Pointer, class... Args>
class out_ptr_t;
class out_ptr_t; // freestanding

// \ref{out.ptr}, function template \tcode{out_ptr}
template<class Pointer = void, class Smart, class... Args>
auto out_ptr(Smart& s, Args&&... args);
auto out_ptr(Smart& s, Args&&... args); // freestanding

// \ref{inout.ptr.t}, class template \tcode{inout_ptr_t}
template<class Smart, class Pointer, class... Args>
class inout_ptr_t;
class inout_ptr_t; // freestanding

// \ref{inout.ptr}, function template \tcode{inout_ptr}
template<class Pointer = void, class Smart, class... Args>
auto inout_ptr(Smart& s, Args&&... args);
auto inout_ptr(Smart& s, Args&&... args); // freestanding
}
\end{codeblock}

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6 changes: 4 additions & 2 deletions source/support.tex
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Expand Up @@ -647,9 +647,11 @@
#define @\defnlibxname{cpp_lib_freestanding_cwchar}@ 202306L // freestanding, also in \libheader{cwchar}
#define @\defnlibxname{cpp_lib_freestanding_errc}@ 202306L
// freestanding, also in \libheader{cerrno}, \libheader{system_error}
#define @\defnlibxname{cpp_lib_freestanding_expected}@ 202311L // freestanding, also in \libheader{expected}
#define @\defnlibxname{cpp_lib_freestanding_feature_test_macros}@ 202306L // freestanding
#define @\defnlibxname{cpp_lib_freestanding_functional}@ 202306L // freestanding, also in \libheader{functional}
#define @\defnlibxname{cpp_lib_freestanding_iterator}@ 202306L // freestanding, also in \libheader{iterator}
#define @\defnlibxname{cpp_lib_freestanding_mdspan}@ 202311L // freestanding, also in \libheader{mdspan}
#define @\defnlibxname{cpp_lib_freestanding_memory}@ 202306L // freestanding, also in \libheader{memory}
#define @\defnlibxname{cpp_lib_freestanding_operator_new}@ @\seebelow@ // freestanding, also in \libheader{new}
#define @\defnlibxname{cpp_lib_freestanding_optional}@ 202311L // freestanding, also in \libheader{optional}
Expand Down Expand Up @@ -716,7 +718,7 @@
#define @\defnlibxname{cpp_lib_not_fn}@ 202306L // freestanding, also in \libheader{functional}
#define @\defnlibxname{cpp_lib_null_iterators}@ 201304L // freestanding, also in \libheader{iterator}
#define @\defnlibxname{cpp_lib_optional}@ 202110L // also in \libheader{optional}
#define @\defnlibxname{cpp_lib_out_ptr}@ 202106L // also in \libheader{memory}
#define @\defnlibxname{cpp_lib_out_ptr}@ 202311L // freestanding, also in \libheader{memory}
#define @\defnlibxname{cpp_lib_parallel_algorithm}@ 201603L // also in \libheader{algorithm}, \libheader{numeric}
#define @\defnlibxname{cpp_lib_polymorphic_allocator}@ 201902L // also in \libheader{memory_resource}
#define @\defnlibxname{cpp_lib_print}@ 202207L // also in \libheader{print}, \libheader{ostream}
Expand Down Expand Up @@ -761,7 +763,7 @@
#define @\defnlibxname{cpp_lib_smart_ptr_for_overwrite}@ 202002L // also in \libheader{memory}
#define @\defnlibxname{cpp_lib_smart_ptr_owner_equality}@ 202306L // also in \libheader{memory}
#define @\defnlibxname{cpp_lib_source_location}@ 201907L // freestanding, also in \libheader{source_location}
#define @\defnlibxname{cpp_lib_span}@ 202311L // also in \libheader{span}
#define @\defnlibxname{cpp_lib_span}@ 202311L // freestanding, also in \libheader{span}
#define @\defnlibxname{cpp_lib_span_initializer_list}@ 202311L // also in \libheader{span}
#define @\defnlibxname{cpp_lib_spanstream}@ 202106L // also in \libheader{spanstream}
#define @\defnlibxname{cpp_lib_ssize}@ 201902L // freestanding, also in \libheader{iterator}
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17 changes: 9 additions & 8 deletions source/utilities.tex
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Expand Up @@ -6995,6 +6995,7 @@
\indexlibraryglobal{unexpect_t}%
\indexlibraryglobal{unexpect}%
\begin{codeblock}
// mostly freestanding
namespace std {
// \ref{expected.unexpected}, class template \tcode{unexpected}
template<class E> class unexpected;
Expand All @@ -7012,10 +7013,10 @@
inline constexpr unexpect_t unexpect{};

// \ref{expected.expected}, class template \tcode{expected}
template<class T, class E> class expected;
template<class T, class E> class expected; // partially freestanding

// \ref{expected.void}, partial specialization of \tcode{expected} for \tcode{void} types
template<class T, class E> requires is_void_v<T> class expected<T, E>;
template<class T, class E> requires is_void_v<T> class expected<T, E>; // partially freestanding
}
\end{codeblock}

Expand Down Expand Up @@ -7398,10 +7399,10 @@
constexpr T&& operator*() && noexcept;
constexpr explicit operator bool() const noexcept;
constexpr bool has_value() const noexcept;
constexpr const T& value() const &;
constexpr T& value() &;
constexpr const T&& value() const &&;
constexpr T&& value() &&;
constexpr const T& value() const &; // freestanding-deleted
constexpr T& value() &; // freestanding-deleted
constexpr const T&& value() const &&; // freestanding-deleted
constexpr T&& value() &&; // freestanding-deleted
constexpr const E& error() const & noexcept;
constexpr E& error() & noexcept;
constexpr const E&& error() const && noexcept;
Expand Down Expand Up @@ -8792,8 +8793,8 @@
constexpr explicit operator bool() const noexcept;
constexpr bool has_value() const noexcept;
constexpr void operator*() const noexcept;
constexpr void value() const &;
constexpr void value() &&;
constexpr void value() const &; // freestanding-deleted
constexpr void value() &&; // freestanding-deleted
constexpr const E& error() const & noexcept;
constexpr E& error() & noexcept;
constexpr const E&& error() const && noexcept;
Expand Down