| Extracted from Pike v7.8 release 866 at 2018-02-09.

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Calendar

# Module Calendar

Constant nulltimerange

  `constant Calendar.nulltimerange = TimeRange`

Description

  This represents the null time range, which, to differ from the zero time range (the zero-length time range), isn't placed in time. This is the result of for instance `& between two strict non-overlapping timeranges - no time at all.

  It has a constant, `is_nulltimerange`, which is non-zero. ``!` on this timerange is true.