tmp/tmpq0ick8mx/{from.md → to.md}
RENAMED
|
@@ -5,48 +5,38 @@ virtual base class for the class templates `basic_istream`,
|
|
| 5 |
`basic_ostream`, and class templates derived from them. `basic_iostream`
|
| 6 |
is a class template derived from both `basic_istream<charT, traits>` and
|
| 7 |
`basic_ostream<charT, traits>`.
|
| 8 |
|
| 9 |
The class template specialization `basic_streambuf<charT, traits>`
|
| 10 |
-
serves as a base class for class templates `basic_stringbuf`
|
| 11 |
-
`basic_filebuf`.
|
| 12 |
|
| 13 |
The class template specialization `basic_istream<charT, traits>` serves
|
| 14 |
as a base class for class templates `basic_istringstream` and
|
| 15 |
`basic_ifstream`.
|
| 16 |
|
| 17 |
The class template specialization `basic_ostream<charT, traits>` serves
|
| 18 |
-
as a base class for class templates `basic_ostringstream`
|
| 19 |
-
`basic_ofstream`.
|
| 20 |
|
| 21 |
The class template specialization `basic_iostream<charT, traits>` serves
|
| 22 |
as a base class for class templates `basic_stringstream` and
|
| 23 |
`basic_fstream`.
|
| 24 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 25 |
Other *typedef-name*s define instances of class templates specialized
|
| 26 |
for `char` or `wchar_t` types.
|
| 27 |
|
| 28 |
Specializations of the class template `fpos` are used for specifying
|
| 29 |
file position information.
|
| 30 |
|
| 31 |
-
The types `streampos` and `wstreampos` are used for
|
| 32 |
-
specialized on `char` and `wchar_t`
|
|
|
|
| 33 |
|
| 34 |
-
[*Note
|
| 35 |
-
|
| 36 |
-
This synopsis suggests a circularity between `streampos` and
|
| 37 |
`char_traits<char>`. An implementation can avoid this circularity by
|
| 38 |
-
substituting equivalent types.
|
| 39 |
-
|
| 40 |
-
``` cpp
|
| 41 |
-
template<class stateT> class fpos { ... }; // depends on nothing
|
| 42 |
-
using _STATE = ... ; // implementation private declaration of stateT
|
| 43 |
-
|
| 44 |
-
using streampos = fpos<_STATE>;
|
| 45 |
-
|
| 46 |
-
template<> struct char_traits<char> {
|
| 47 |
-
using pos_type = streampos;
|
| 48 |
-
}
|
| 49 |
-
```
|
| 50 |
-
|
| 51 |
-
— *end note*]
|
| 52 |
|
|
|
|
| 5 |
`basic_ostream`, and class templates derived from them. `basic_iostream`
|
| 6 |
is a class template derived from both `basic_istream<charT, traits>` and
|
| 7 |
`basic_ostream<charT, traits>`.
|
| 8 |
|
| 9 |
The class template specialization `basic_streambuf<charT, traits>`
|
| 10 |
+
serves as a base class for class templates `basic_stringbuf`,
|
| 11 |
+
`basic_filebuf`, and `basic_syncbuf`.
|
| 12 |
|
| 13 |
The class template specialization `basic_istream<charT, traits>` serves
|
| 14 |
as a base class for class templates `basic_istringstream` and
|
| 15 |
`basic_ifstream`.
|
| 16 |
|
| 17 |
The class template specialization `basic_ostream<charT, traits>` serves
|
| 18 |
+
as a base class for class templates `basic_ostringstream`,
|
| 19 |
+
`basic_ofstream`, and `basic_osyncstream`.
|
| 20 |
|
| 21 |
The class template specialization `basic_iostream<charT, traits>` serves
|
| 22 |
as a base class for class templates `basic_stringstream` and
|
| 23 |
`basic_fstream`.
|
| 24 |
|
| 25 |
+
[*Note 1*: For each of the class templates above, the program is
|
| 26 |
+
ill-formed if `traits::char_type` is not the same type as `charT`
|
| 27 |
+
[[char.traits]]. — *end note*]
|
| 28 |
+
|
| 29 |
Other *typedef-name*s define instances of class templates specialized
|
| 30 |
for `char` or `wchar_t` types.
|
| 31 |
|
| 32 |
Specializations of the class template `fpos` are used for specifying
|
| 33 |
file position information.
|
| 34 |
|
| 35 |
+
[*Example 1*: The types `streampos` and `wstreampos` are used for
|
| 36 |
+
positioning streams specialized on `char` and `wchar_t`
|
| 37 |
+
respectively. — *end example*]
|
| 38 |
|
| 39 |
+
[*Note 2*: This synopsis suggests a circularity between `streampos` and
|
|
|
|
|
|
|
| 40 |
`char_traits<char>`. An implementation can avoid this circularity by
|
| 41 |
+
substituting equivalent types. — *end note*]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 42 |
|