From Jason Turner

[time.clock.cast]

C++20 → C++23 2.1 KB 22 lines
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Archived: C++20 | C++23
Markdown: C++20 | C++23
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C++ Weekly: Ep 397

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  1. tmp/tmp3bjftxhp/{from.md → to.md} +8 -8
tmp/tmp3bjftxhp/{from.md → to.md} RENAMED
@@ -134,12 +134,12 @@ template<class Duration>
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  -> decltype(SourceClock::to_sys(t));
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  ```
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  *Constraints:* `SourceClock::to_sys(t)` is well-formed.
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- *Mandates:* `SourceClock::to_sys(t)` returns a `sys_time<Duration>`,
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- where `Duration` is a valid `chrono::duration` specialization.
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  *Returns:* `SourceClock::to_sys(t)`.
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  ``` cpp
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  template<class DestClock>
@@ -157,12 +157,12 @@ template<class Duration>
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  ```
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  *Constraints:* `DestClock::from_sys(t)` is well-formed.
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  *Mandates:* `DestClock::from_sys(t)` returns a
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- `time_point<DestClock, Duration>`, where `Duration` is a valid
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- `chrono::duration` specialization.
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  *Returns:* `DestClock::from_sys(t)`.
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  #### Conversions between `utc_clock` and other clocks <a id="time.clock.cast.utc">[[time.clock.cast.utc]]</a>
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@@ -181,12 +181,12 @@ template<class Duration>
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  -> decltype(SourceClock::to_utc(t));
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  ```
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  *Constraints:* `SourceClock::to_utc(t)` is well-formed.
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- *Mandates:* `SourceClock::to_utc(t)` returns a `utc_time<Duration>`,
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- where `Duration` is a valid `chrono::duration` specialization.
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  *Returns:* `SourceClock::to_utc(t)`.
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  ``` cpp
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  template<class DestClock>
@@ -204,12 +204,12 @@ template<class Duration>
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  ```
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  *Constraints:* `DestClock::from_utc(t)` is well-formed.
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  *Mandates:* `DestClock::from_utc(t)` returns a
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- `time_point<DestClock, Duration>`, where `Duration` is a valid
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- `chrono::duration` specialization.
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  *Returns:* `DestClock::from_utc(t)`.
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  #### Function template `clock_cast` <a id="time.clock.cast.fn">[[time.clock.cast.fn]]</a>
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  -> decltype(SourceClock::to_sys(t));
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  ```
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  *Constraints:* `SourceClock::to_sys(t)` is well-formed.
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+ *Mandates:* `SourceClock::to_sys(t)` returns a `sys_time<Duration2>` for
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+ some type `Duration2` [[time.point.general]].
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  *Returns:* `SourceClock::to_sys(t)`.
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  ``` cpp
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  template<class DestClock>
 
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  ```
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  *Constraints:* `DestClock::from_sys(t)` is well-formed.
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  *Mandates:* `DestClock::from_sys(t)` returns a
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+ `time_point<DestClock, Duration2>` for some type `Duration2`
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+ [[time.point.general]].
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  *Returns:* `DestClock::from_sys(t)`.
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  #### Conversions between `utc_clock` and other clocks <a id="time.clock.cast.utc">[[time.clock.cast.utc]]</a>
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  -> decltype(SourceClock::to_utc(t));
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  ```
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  *Constraints:* `SourceClock::to_utc(t)` is well-formed.
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+ *Mandates:* `SourceClock::to_utc(t)` returns a `utc_time<Duration2>` for
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+ some type `Duration2` [[time.point.general]].
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  *Returns:* `SourceClock::to_utc(t)`.
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  ``` cpp
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  template<class DestClock>
 
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  ```
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  *Constraints:* `DestClock::from_utc(t)` is well-formed.
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  *Mandates:* `DestClock::from_utc(t)` returns a
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+ `time_point<DestClock, Duration2>` for some type `Duration2`
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+ [[time.point.general]].
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  *Returns:* `DestClock::from_utc(t)`.
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  #### Function template `clock_cast` <a id="time.clock.cast.fn">[[time.clock.cast.fn]]</a>
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