From Jason Turner

[iostreamclass]

C++17 → C++20 2.4 KB 26 lines
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Archived: C++17 | C++20
Markdown: C++17 | C++20
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  1. tmp/tmpfs34v6wm/{from.md → to.md} +10 -13
tmp/tmpfs34v6wm/{from.md → to.md} RENAMED
@@ -19,62 +19,59 @@ namespace std {
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  // [iostream.dest], destructor
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  virtual ~basic_iostream();
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  protected:
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  // [iostream.cons], constructor
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- basic_iostream(const basic_iostream& rhs) = delete;
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  basic_iostream(basic_iostream&& rhs);
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  // [iostream.assign], assign and swap
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- basic_iostream& operator=(const basic_iostream& rhs) = delete;
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  basic_iostream& operator=(basic_iostream&& rhs);
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  void swap(basic_iostream& rhs);
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  };
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  }
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  ```
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  The class template `basic_iostream` inherits a number of functions that
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  allow reading input and writing output to sequences controlled by a
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  stream buffer.
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- ##### `basic_iostream` constructors <a id="iostream.cons">[[iostream.cons]]</a>
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  ``` cpp
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  explicit basic_iostream(basic_streambuf<charT, traits>* sb);
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  ```
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- *Effects:* Constructs an object of class `basic_iostream`, initializing
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- the base class subobjects with
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- `basic_istream<charT, traits>(sb)` ([[istream]]) and
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- `basic_ostream<charT, traits>(sb)` ([[ostream]]).
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- *Postconditions:* `rdbuf() == sb` and `gcount() == 0`.
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  ``` cpp
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  basic_iostream(basic_iostream&& rhs);
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  ```
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  *Effects:* Move constructs from the rvalue `rhs` by constructing the
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  `basic_istream` base class with `move(rhs)`.
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- ##### `basic_iostream` destructor <a id="iostream.dest">[[iostream.dest]]</a>
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  ``` cpp
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  virtual ~basic_iostream();
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  ```
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- *Effects:* Destroys an object of class `basic_iostream`.
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-
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  *Remarks:* Does not perform any operations on `rdbuf()`.
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- ##### `basic_iostream` assign and swap <a id="iostream.assign">[[iostream.assign]]</a>
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  ``` cpp
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  basic_iostream& operator=(basic_iostream&& rhs);
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  ```
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- *Effects:* As if by `swap(rhs)`.
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  ``` cpp
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  void swap(basic_iostream& rhs);
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  ```
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  // [iostream.dest], destructor
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  virtual ~basic_iostream();
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  protected:
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  // [iostream.cons], constructor
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+ basic_iostream(const basic_iostream&) = delete;
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  basic_iostream(basic_iostream&& rhs);
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  // [iostream.assign], assign and swap
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+ basic_iostream& operator=(const basic_iostream&) = delete;
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  basic_iostream& operator=(basic_iostream&& rhs);
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  void swap(basic_iostream& rhs);
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  };
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  }
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  ```
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  The class template `basic_iostream` inherits a number of functions that
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  allow reading input and writing output to sequences controlled by a
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  stream buffer.
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+ ##### Constructors <a id="iostream.cons">[[iostream.cons]]</a>
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  ``` cpp
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  explicit basic_iostream(basic_streambuf<charT, traits>* sb);
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  ```
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+ *Effects:* Initializes the base class subobjects with
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+ `basic_istream<charT, traits>(sb)` [[istream]] and
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+ `basic_ostream<charT, traits>(sb)` [[ostream]].
 
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+ *Ensures:* `rdbuf() == sb` and `gcount() == 0`.
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  ``` cpp
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  basic_iostream(basic_iostream&& rhs);
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  ```
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  *Effects:* Move constructs from the rvalue `rhs` by constructing the
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  `basic_istream` base class with `move(rhs)`.
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+ ##### Destructor <a id="iostream.dest">[[iostream.dest]]</a>
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  ``` cpp
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  virtual ~basic_iostream();
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  ```
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  *Remarks:* Does not perform any operations on `rdbuf()`.
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+ ##### Assignment and swap <a id="iostream.assign">[[iostream.assign]]</a>
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  ``` cpp
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  basic_iostream& operator=(basic_iostream&& rhs);
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  ```
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+ *Effects:* Equivalent to: `swap(rhs)`.
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  ``` cpp
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  void swap(basic_iostream& rhs);
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  ```
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