tmp/tmpumrzmu8h/{from.md → to.md}
RENAMED
|
@@ -0,0 +1,71 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
### Header `<charconv>` synopsis <a id="charconv.syn">[[charconv.syn]]</a>
|
| 2 |
+
|
| 3 |
+
``` cpp
|
| 4 |
+
%
|
| 5 |
+
%
|
| 6 |
+
{chars_format{chars_format{chars_format{chars_formatnamespace std {
|
| 7 |
+
// floating-point format for primitive numerical conversion
|
| 8 |
+
enum class chars_format {
|
| 9 |
+
scientific = unspecified,
|
| 10 |
+
fixed = unspecified,
|
| 11 |
+
hex = unspecified,
|
| 12 |
+
general = fixed | scientific
|
| 13 |
+
};
|
| 14 |
+
%
|
| 15 |
+
%
|
| 16 |
+
{to_chars_result{to_chars_result}
|
| 17 |
+
|
| 18 |
+
// [charconv.to.chars], primitive numerical output conversion
|
| 19 |
+
struct to_chars_result {
|
| 20 |
+
char* ptr;
|
| 21 |
+
errc ec;
|
| 22 |
+
friend bool operator==(const to_chars_result&, const to_chars_result&) = default;
|
| 23 |
+
};
|
| 24 |
+
|
| 25 |
+
to_chars_result to_chars(char* first, char* last, see below value, int base = 10);
|
| 26 |
+
to_chars_result to_chars(char* first, char* last, bool value, int base = 10) = delete;
|
| 27 |
+
|
| 28 |
+
to_chars_result to_chars(char* first, char* last, float value);
|
| 29 |
+
to_chars_result to_chars(char* first, char* last, double value);
|
| 30 |
+
to_chars_result to_chars(char* first, char* last, long double value);
|
| 31 |
+
|
| 32 |
+
to_chars_result to_chars(char* first, char* last, float value, chars_format fmt);
|
| 33 |
+
to_chars_result to_chars(char* first, char* last, double value, chars_format fmt);
|
| 34 |
+
to_chars_result to_chars(char* first, char* last, long double value, chars_format fmt);
|
| 35 |
+
|
| 36 |
+
to_chars_result to_chars(char* first, char* last, float value,
|
| 37 |
+
chars_format fmt, int precision);
|
| 38 |
+
to_chars_result to_chars(char* first, char* last, double value,
|
| 39 |
+
chars_format fmt, int precision);
|
| 40 |
+
to_chars_result to_chars(char* first, char* last, long double value,
|
| 41 |
+
chars_format fmt, int precision);
|
| 42 |
+
%
|
| 43 |
+
%
|
| 44 |
+
{from_chars_result{from_chars_result}
|
| 45 |
+
|
| 46 |
+
// [charconv.from.chars], primitive numerical input conversion
|
| 47 |
+
struct from_chars_result {
|
| 48 |
+
const char* ptr;
|
| 49 |
+
errc ec;
|
| 50 |
+
friend bool operator==(const from_chars_result&, const from_chars_result&) = default;
|
| 51 |
+
};
|
| 52 |
+
|
| 53 |
+
from_chars_result from_chars(const char* first, const char* last,
|
| 54 |
+
see below& value, int base = 10);
|
| 55 |
+
|
| 56 |
+
from_chars_result from_chars(const char* first, const char* last, float& value,
|
| 57 |
+
chars_format fmt = chars_format::general);
|
| 58 |
+
from_chars_result from_chars(const char* first, const char* last, double& value,
|
| 59 |
+
chars_format fmt = chars_format::general);
|
| 60 |
+
from_chars_result from_chars(const char* first, const char* last, long double& value,
|
| 61 |
+
chars_format fmt = chars_format::general);
|
| 62 |
+
}
|
| 63 |
+
```
|
| 64 |
+
|
| 65 |
+
The type `chars_format` is a bitmask type [[bitmask.types]] with
|
| 66 |
+
elements `scientific`, `fixed`, and `hex`.
|
| 67 |
+
|
| 68 |
+
The types `to_chars_result` and `from_chars_result` have the data
|
| 69 |
+
members and special members specified above. They have no base classes
|
| 70 |
+
or members other than those specified.
|
| 71 |
+
|