The time point to check for inclusion in this interval.
assert(NegInfInterval!Date(Date(2012, 3, 1)).contains(Date(1994, 12, 24))); assert(NegInfInterval!Date(Date(2012, 3, 1)).contains(Date(2000, 1, 5))); assert(!NegInfInterval!Date(Date(2012, 3, 1)).contains(Date(2012, 3, 1)));
Whether the given time point is within this interval.