From Jason Turner

[charconv.to.chars]

C++20 → C++23 2.9 KB 24 lines
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Archived: C++20 | C++23
Markdown: C++20 | C++23
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  1. tmp/tmpe37ini5w/{from.md → to.md} +4 -15
tmp/tmpe37ini5w/{from.md → to.md} RENAMED
@@ -30,11 +30,11 @@ specifier for `printf` as follows: The conversion specifier is `f` if
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  `chars_format::scientific`, `a` (without leading `"0x"` in the result)
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  if `fmt` is `chars_format::hex`, and `g` if `fmt` is
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  `chars_format::general`.
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  ``` cpp
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- to_chars_result to_chars(char* first, char* last, see below value, int base = 10);
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  ```
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  *Preconditions:* `base` has a value between 2 and 36 (inclusive).
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  *Effects:* The value of `value` is converted to a string of digits in
@@ -42,30 +42,23 @@ the given base (with no redundant leading zeroes). Digits in the range
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  10..35 (inclusive) are represented as lowercase characters `a`..`z`. If
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  `value` is less than zero, the representation starts with `’-’`.
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  *Throws:* Nothing.
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- *Remarks:* The implementation shall provide overloads for all signed and
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- unsigned integer types and `char` as the type of the parameter `value`.
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-
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  ``` cpp
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- to_chars_result to_chars(char* first, char* last, float value);
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- to_chars_result to_chars(char* first, char* last, double value);
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- to_chars_result to_chars(char* first, char* last, long double value);
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  ```
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  *Effects:* `value` is converted to a string in the style of `printf` in
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  the `"C"` locale. The conversion specifier is `f` or `e`, chosen
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  according to the requirement for a shortest representation (see above);
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  a tie is resolved in favor of `f`.
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  *Throws:* Nothing.
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  ``` cpp
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- to_chars_result to_chars(char* first, char* last, float value, chars_format fmt);
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- to_chars_result to_chars(char* first, char* last, double value, chars_format fmt);
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- to_chars_result to_chars(char* first, char* last, long double value, chars_format fmt);
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  ```
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  *Preconditions:* `fmt` has the value of one of the enumerators of
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  `chars_format`.
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@@ -73,15 +66,11 @@ to_chars_result to_chars(char* first, char* last, long double value, chars_forma
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  the `"C"` locale.
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  *Throws:* Nothing.
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  ``` cpp
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- to_chars_result to_chars(char* first, char* last, float value,
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- chars_format fmt, int precision);
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- to_chars_result to_chars(char* first, char* last, double value,
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- chars_format fmt, int precision);
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- to_chars_result to_chars(char* first, char* last, long double value,
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  chars_format fmt, int precision);
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  ```
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  *Preconditions:* `fmt` has the value of one of the enumerators of
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  `chars_format`.
 
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  `chars_format::scientific`, `a` (without leading `"0x"` in the result)
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  if `fmt` is `chars_format::hex`, and `g` if `fmt` is
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  `chars_format::general`.
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  ``` cpp
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+ constexpr to_chars_result to_chars(char* first, char* last, integer-type value, int base = 10);
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  ```
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  *Preconditions:* `base` has a value between 2 and 36 (inclusive).
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  *Effects:* The value of `value` is converted to a string of digits in
 
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  10..35 (inclusive) are represented as lowercase characters `a`..`z`. If
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  `value` is less than zero, the representation starts with `’-’`.
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  *Throws:* Nothing.
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  ``` cpp
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+ to_chars_result to_chars(char* first, char* last, floating-point-type value);
 
 
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  ```
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  *Effects:* `value` is converted to a string in the style of `printf` in
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  the `"C"` locale. The conversion specifier is `f` or `e`, chosen
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  according to the requirement for a shortest representation (see above);
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  a tie is resolved in favor of `f`.
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  *Throws:* Nothing.
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  ``` cpp
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+ to_chars_result to_chars(char* first, char* last, floating-point-type value, chars_format fmt);
 
 
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  ```
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  *Preconditions:* `fmt` has the value of one of the enumerators of
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  `chars_format`.
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  the `"C"` locale.
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  *Throws:* Nothing.
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  ``` cpp
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+ to_chars_result to_chars(char* first, char* last, floating-point-type value,
 
 
 
 
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  chars_format fmt, int precision);
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  ```
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  *Preconditions:* `fmt` has the value of one of the enumerators of
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  `chars_format`.