Added doc for Itertools::into_grouping_map
@@ -2332,6 +2332,10 @@ pub trait Itertools : Iterator {
group_map::into_group_map(self)
}
+ /// Constructs a `GroupingMap` to be used later with one of the efficient
+ /// group-and-fold operations it allows to perform.
+ ///
+ /// See [`GroupingMap`](./structs/struct.GroupingMap.html) for more informations.
#[cfg(feature = "use_std")]
fn into_grouping_map<K, V>(self) -> GroupingMap<Self>
where Self: Iterator<Item=(K, V)> + Sized,
