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Template std.datetime.Interval.expand
Expands the interval forwards and/or backwards in time. Effectively,
it does begin -= durationend += duration
Arguments
template expand(D);
Functions
| Function name | Description |
|---|---|
| expand |
Parameters
| Name | Description |
|---|---|
| duration | The duration to expand the interval by. |
| dir | The direction in time to expand the interval. |
Throws
DateTimeException this interval is empty or if the resulting
interval would be invalid.
Examples
auto interval1 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)); auto interval2 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)); interval1.expand(2); assert(interval1 == Interval!Date(Date(1994, 1, 2), Date(2014, 3, 1))); interval2.expand(-2); assert(interval2 == Interval!Date(Date(1998, 1, 2), Date(2010, 3, 1)));
Authors
Jonathan M Davis and Kato Shoichi