EqualityComparer<T> constructor
Implementation
EqualityComparer({
Comparer<T> comparer,
Hasher<T> hasher,
Sorter<T> sorter,
}) : this.compare = comparer ?? _getDefaultComparer<T>(),
this.hash = hasher ?? _getDefaultHasher<T>(),
this.sort = sorter ?? _getDefaultSorter<T>();