Collect collects all elements in [iter.Seq] to collector.

Distinct remove duplicated elements in [iter.Seq] and returns a new [iter.Seq] which elements yield in visit order.

DistinctFunc remove duplicated elements in [iter.Seq] and returns a new [iter.Seq] which elements yield in visit order.

GroupBy collects all elements in [iter.Seq] and group by key using given function.

Partition creates two [iter.Seq], split by the given predicate function.

ToMap collects all elements in [iter.Seq] to map.

ToOrderedMapFunc collects all elements in [iter.Seq] to ordered map.

ToOrderedSetFunc collects all elements in [iter.Seq] to ordered set.

ToSlice collects all elements in [iter.Seq] to slice.

Collector collect all elements in [iter.Seq] to dest type.