SortedRange.contains
bool contains(V)(V value) if (isRandomAccessRange!Range)Returns true if and only if value can be found in range, which is assumed to be sorted. Performs log(r.length) evaluations of pred.
bool contains(V)(V value) if (isRandomAccessRange!Range)Returns true if and only if value can be found in range, which is assumed to be sorted. Performs log(r.length) evaluations of pred.