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Victor Zverovich 2026-06-02 09:04:13 -07:00
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doc/syntax.md
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@ -134,7 +134,7 @@ presentation type:
appropriate base prefix (`0b`/`0B`, `0`, or `0x`/`0X`). The case of the
prefix follows the case of the type specifier — `0x` for `x`, `0X` for
`X`, and so on.
- For floating-point values, it forces the radix character to appear in the
- For floating-point values, it forces the decimal point to appear in the
output even if no fractional digits would otherwise be emitted, and
prevents the `g`/`G` presentation types from removing trailing zeros from
the significand.
@ -153,7 +153,7 @@ Zero padding:
- applies only to numeric types;
- has no effect on `inf` or `nan`;
- is silently ignored when an explicit *align* is also present.
- is ignored when an explicit *align* is also present.
### Width
@ -187,9 +187,9 @@ supplied as a nested replacement field for runtime evaluation.
| Type | Meaning of `.precision` |
|-------------------------------|-----------------------------------------------|
| `e`, `E`, `f`, `F` | Digits emitted after the radix character. |
| `e`, `E`, `f`, `F` | Digits emitted after the decimal point. |
| `g`, `G` | Total number of significant digits. |
| `a`, `A` | Digits after the radix character in the hexadecimal significand. If omitted, just enough digits are emitted to round-trip the value exactly. |
| `a`, `A` | Digits after the decimal point in the hexadecimal significand. If omitted, just enough digits are emitted to round-trip the value exactly. |
| Strings (`s`, `?`, or default) | Upper bound on the number of code points copied from the value. |
A *precision* is not accepted for integer, character, boolean, or pointer
@ -208,7 +208,7 @@ fmt::format("{:.{}f}", 3.14159, 4); // Result: "3.1416" -- precision from an ar
The `L` flag selects locale-sensitive formatting for numeric types. The
formatter inspects the C++ locale supplied to the formatting function (or
the global locale, if none was passed) and inserts the locale's digit
grouping characters and — for floating-point values — its radix character.
grouping characters and — for floating-point values — its decimal point.
The flag has no effect on non-numeric types.
```c++