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1. is_positive()
- Return boolean value to indicate whether or not time duration is
positive.
2. is_zero()
- Return boolean value to indicate whether or not time duration is
zero.
3. abs()
- Return a time_duration which is the absolute value of time
duration.
Added documentation for these helper functions and improved existing
documentation to indicate constness, return values or static
functions.
11 KiB
11 KiB