Whether the given interval is completely within this interval.
Always returns false because an interval going to positive infinity can never contain an interval beginning at negative infinity.
The interval to check for inclusion in this interval.
assert(!PosInfInterval!Date(Date(1996, 1, 2)).contains( NegInfInterval!Date(Date(1996, 5, 4))));
See Implementation
Whether the given interval is completely within this interval.
Always returns false because an interval going to positive infinity can never contain an interval beginning at negative infinity.