tmp/tmpzrtimp1e/{from.md → to.md}
RENAMED
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@@ -6,29 +6,32 @@ clock’s `time_point` is referred to as the clock’s *epoch*. A clock
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shall meet the requirements in Table [[tab:time.clock]].
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In Table [[tab:time.clock]] `C1` and `C2` denote clock types. `t1` and
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`t2` are values returned by `C1::now()` where the call returning `t1`
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happens before ([[intro.multithread]]) the call returning `t2` and both
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of these calls occur before `C1::time_point::max()`.
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not wrap around between `t1` and `t2`.
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A type `TC` meets the `TrivialClock` requirements if:
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- `TC` satisfies the `Clock` requirements ([[time.clock.req]]),
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- the types `TC::rep`, `TC::duration`, and `TC::time_point` satisfy the
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requirements of `EqualityComparable` (Table
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and the requirements of numeric types ([[numeric.requirements]]).
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-
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throw exceptions.
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- lvalues of the types `TC::rep`, `TC::duration`, and `TC::time_point`
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are swappable ([[swappable.requirements]]),
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- the function `TC::now()` does not throw exceptions, and
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- the type `TC::time_point::clock` meets the `TrivialClock`
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requirements, recursively.
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shall meet the requirements in Table [[tab:time.clock]].
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In Table [[tab:time.clock]] `C1` and `C2` denote clock types. `t1` and
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`t2` are values returned by `C1::now()` where the call returning `t1`
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happens before ([[intro.multithread]]) the call returning `t2` and both
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of these calls occur before `C1::time_point::max()`.
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[*Note 1*: This means `C1` did not wrap around between `t1` and
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`t2`. — *end note*]
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[*Note 2*: The relative difference in durations between those reported
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by a given clock and the SI definition is a measure of the quality of
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implementation. — *end note*]
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A type `TC` meets the `TrivialClock` requirements if:
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- `TC` satisfies the `Clock` requirements ([[time.clock.req]]),
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- the types `TC::rep`, `TC::duration`, and `TC::time_point` satisfy the
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requirements of `EqualityComparable` (Table
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[[tab:equalitycomparable]]), `LessThanComparable` (Table
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[[tab:lessthancomparable]]), `DefaultConstructible` (Table
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[[tab:defaultconstructible]]), `CopyConstructible` (Table
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[[tab:copyconstructible]]), `CopyAssignable` (Table
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[[tab:copyassignable]]), `Destructible` (Table [[tab:destructible]]),
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and the requirements of numeric types ([[numeric.requirements]]).
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\[*Note 3*: This means, in particular, that operations on these types
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will not throw exceptions. — *end note*]
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- lvalues of the types `TC::rep`, `TC::duration`, and `TC::time_point`
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are swappable ([[swappable.requirements]]),
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- the function `TC::now()` does not throw exceptions, and
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- the type `TC::time_point::clock` meets the `TrivialClock`
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requirements, recursively.
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