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Document millisecond format without the dot

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Evan Schwartz 2018-06-08 17:52:02 -04:00
parent f9d3094d4e
commit 074e92fc63
2 changed files with 11 additions and 1 deletions
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1
CHANGELOG.md
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@ -16,6 +16,7 @@ Versions with only mechnical changes will be omitted from the following list.
* Added a serde serialise/deserialise module for nanosecond timestamps. (@harkonenbade #247)
* Added "Permissive" timezone parsing which allows a numeric timezone to
be specified without minutes. (@quodlibetor #242)
* Added support for parsing nanoseconds without the leading dot (@emschwartz #251)
## 0.4.2

11
src/format/strftime.rs
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@ -58,6 +58,9 @@ The following specifiers are available both to formatting and parsing.
| `%.3f`| `.026` | Similar to `.%f` but left-aligned but fixed to a length of 3. [8] |
| `%.6f`| `.026490` | Similar to `.%f` but left-aligned but fixed to a length of 6. [8] |
| `%.9f`| `.026490000` | Similar to `.%f` but left-aligned but fixed to a length of 9. [8] |
| `%3f` | `026` | Similar to `%.3f` but without the leading dot. [8] |
| `%6f` | `026490` | Similar to `%.6f` but without the leading dot. [8] |
| `%9f` | `026490000` | Similar to `%.9f` but without the leading dot. [8] |
| | | |
| `%R` | `00:34` | Hour-minute format. Same to `%H:%M`. |
| `%T` | `00:34:60` | Hour-minute-second format. Same to `%H:%M:%S`. |
@ -123,7 +126,7 @@ Notes:
For the purpose of Chrono, it only accounts for non-leap seconds
so it slightly differs from ISO C `strftime` behavior.
8. `%f`, `%.f`, `%.3f`, `%.6f`, `%.9f`:
8. `%f`, `%.f`, `%.3f`, `%.6f`, `%.9f`, `%3f`, `%6f`, `%9f`:
The default `%f` is right-aligned and always zero-padded to 9 digits
for the compatibility with glibc and others,
@ -145,6 +148,12 @@ Notes:
Note that they can read nothing if the fractional part is zero or
the next character is not `.` however will print with the specified length.
The variant `%3f`, `%6f` and `%9f` are left-aligned and print 3, 6 or 9 fractional digits
according to the number preceding `f`, but without the leading dot.
E.g. 70ms after the last second under `%3f` will print `070` (note: not `07`),
and parsing `07`, `070000` etc. will yield the same.
Note that they can read nothing if the fractional part is zero.
*/
use super::{Item, Numeric, Fixed, InternalFixed, InternalInternal, Pad};