Init

2025-10-25 03:02:53 +03:00
commit 043225d523
3416 changed files with 681196 additions and 0 deletions
--- a/cppdraft/ispanstream/cons.md
+++ b/cppdraft/ispanstream/cons.md
@@ -0,0 +1,55 @@
+[ispanstream.cons]
+
+# 31 Input/output library [[input.output]](./#input.output)
+
+## 31.9 Span-based streams [[span.streams]](span.streams#ispanstream.cons)
+
+### 31.9.4 Class template basic_ispanstream [[ispanstream]](ispanstream#cons)
+
+#### 31.9.4.2 Constructors [ispanstream.cons]
+
+[ð](#lib:basic_ispanstream,constructor)
+
+`explicit basic_ispanstream(std::span<charT> s, ios_base::openmode which = ios_base::in);
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10455)
+
+*Effects*: Initializes the base class withbasic_istream<charT, traits>(addressof(*sb*)) and *sb* withbasic_spanbuf<charT, traits>(s, which | ios_base::in) ([[spanbuf.cons]](spanbuf.cons "31.9.3.2 Constructors"))[.](#1.sentence-1)
+
+[ð](#lib:basic_ispanstream,constructor_)
+
+`basic_ispanstream(basic_ispanstream&& rhs);
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10469)
+
+*Effects*: Initializes the base class with std::move(rhs) and *sb* with std::move(rhs.*sb*)[.](#2.sentence-1)
+
+Next, basic_istream<charT, traits>::set_rdbuf(addressof(*sb*)) is called
+to install the contained basic_spanbuf[.](#2.sentence-2)
+
+[ð](#lib:basic_ispanstream,constructor__)
+
+`template<class ROS> explicit basic_ispanstream(ROS&& s)
+`
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10483)
+
+*Constraints*: ROS models ranges::[borrowed_range](range.range#concept:borrowed_range "25.4.2 Ranges [range.range]")[.](#3.sentence-1)
+
+![convertible_to](concept.convertible#concept:convertible_to "18.4.4 Concept convertible_to [concept.convertible]")<ROS, std::span<charT>> && [convertible_to](concept.convertible#concept:convertible_to "18.4.4 Concept convertible_to [concept.convertible]")<ROS, std::span<charT const>> is true[.](#3.sentence-2)
+
+[4](#4)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10489)
+
+*Effects*: Let sp be std::span<const charT>(std::forward<ROS>(s))[.](#4.sentence-1)
+
+Equivalent to:basic_ispanstream(std::span<charT>(const_cast<charT*>(sp.data()), sp.size()))
--- a/cppdraft/ispanstream/general.md
+++ b/cppdraft/ispanstream/general.md
@@ -0,0 +1,31 @@
+[ispanstream.general]
+
+# 31 Input/output library [[input.output]](./#input.output)
+
+## 31.9 Span-based streams [[span.streams]](span.streams#ispanstream.general)
+
+### 31.9.4 Class template basic_ispanstream [[ispanstream]](ispanstream#general)
+
+#### 31.9.4.1 General [ispanstream.general]
+
+[ð](#lib:basic_ispanstream)
+
+namespace std {template<class charT, class traits = char_traits<charT>>class basic_ispanstream : public basic_istream<charT, traits> {public:using char_type = charT; using int_type = typename traits::int_type; using pos_type = typename traits::pos_type; using off_type = typename traits::off_type; using traits_type = traits; // [[ispanstream.cons]](ispanstream.cons "31.9.4.2 Constructors"), constructorsexplicit basic_ispanstream(std::span<charT> s,
+ ios_base::openmode which = ios_base::in);
+ basic_ispanstream(const basic_ispanstream&) = delete;
+ basic_ispanstream(basic_ispanstream&& rhs); template<class ROS> explicit basic_ispanstream(ROS&& s);
+
+ basic_ispanstream& operator=(const basic_ispanstream&) = delete;
+ basic_ispanstream& operator=(basic_ispanstream&& rhs); // [[ispanstream.swap]](ispanstream.swap "31.9.4.3 Swap"), swapvoid swap(basic_ispanstream& rhs); // [[ispanstream.members]](ispanstream.members "31.9.4.4 Member functions"), member functions basic_spanbuf<charT, traits>* rdbuf() const noexcept;
+
+ std::span<const charT> span() const noexcept; void span(std::span<charT> s) noexcept; template<class ROS> void span(ROS&& s) noexcept; private: basic_spanbuf<charT, traits> *sb*; // *exposition only*};}
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10440)
+
+[*Note [1](#note-1)*:
+
+Constructing an ispanstream from a [*string-literal*](lex.string#nt:string-literal "5.13.5 String literals [lex.string]") includes the termination character '\0' in the underlying spanbuf[.](#1.sentence-1)
+
+â *end note*]
--- a/cppdraft/ispanstream/members.md
+++ b/cppdraft/ispanstream/members.md
@@ -0,0 +1,63 @@
+[ispanstream.members]
+
+# 31 Input/output library [[input.output]](./#input.output)
+
+## 31.9 Span-based streams [[span.streams]](span.streams#ispanstream.members)
+
+### 31.9.4 Class template basic_ispanstream [[ispanstream]](ispanstream#members)
+
+#### 31.9.4.4 Member functions [ispanstream.members]
+
+[ð](#lib:rdbuf,basic_ispanstream)
+
+`basic_spanbuf<charT, traits>* rdbuf() const noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10535)
+
+*Effects*: Equivalent to:return const_cast<basic_spanbuf<charT, traits>*>(addressof(*sb*));
+
+[ð](#lib:span,basic_ispanstream)
+
+`std::span<const charT> span() const noexcept;
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10549)
+
+*Effects*: Equivalent to: return rdbuf()->span();
+
+[ð](#lib:span,basic_ispanstream_)
+
+`void span(std::span<charT> s) noexcept;
+`
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10560)
+
+*Effects*: Equivalent to rdbuf()->span(s)[.](#3.sentence-1)
+
+[ð](#itemdecl:4)
+
+`template<class ROS> void span(ROS&& s) noexcept;
+`
+
+[4](#4)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10570)
+
+*Constraints*: ROS models ranges::[borrowed_range](range.range#concept:borrowed_range "25.4.2 Ranges [range.range]")[.](#4.sentence-1)
+
+(![convertible_to](concept.convertible#concept:convertible_to "18.4.4 Concept convertible_to [concept.convertible]")<ROS, std::span<charT>>) && [convertible_to](concept.convertible#concept:convertible_to "18.4.4 Concept convertible_to [concept.convertible]")<ROS, std::span<const charT>> is true[.](#4.sentence-2)
+
+[5](#5)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10576)
+
+*Effects*: Let sp be std::span<const charT>(std::forward<ROS>(s))[.](#5.sentence-1)
+
+Equivalent to:this->span(std::span<charT>(const_cast<charT*>(sp.data()), sp.size()));
--- a/cppdraft/ispanstream/swap.md
+++ b/cppdraft/ispanstream/swap.md
@@ -0,0 +1,32 @@
+[ispanstream.swap]
+
+# 31 Input/output library [[input.output]](./#input.output)
+
+## 31.9 Span-based streams [[span.streams]](span.streams#ispanstream.swap)
+
+### 31.9.4 Class template basic_ispanstream [[ispanstream]](ispanstream#swap)
+
+#### 31.9.4.3 Swap [ispanstream.swap]
+
+[ð](#lib:swap,basic_ispanstream)
+
+`void swap(basic_ispanstream& rhs);
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10506)
+
+*Effects*: Equivalent to:basic_istream<charT, traits>::swap(rhs);*sb*.swap(rhs.*sb*);
+
+[ð](#lib:swap,basic_ispanstream_)
+
+`template<class charT, class traits>
+  void swap(basic_ispanstream<charT, traits>& x, basic_ispanstream<charT, traits>& y);
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L10522)
+
+*Effects*: Equivalent to x.swap(y)[.](#2.sentence-1)