pub type GroupingMapBy<I, F> = GroupingMap<MapSpecialCase<I, GroupingMapFn<F>>>;Expand description
GroupingMapBy is an intermediate struct for efficient group-and-fold operations.
See GroupingMap for more informations.
Aliased Type§
pub struct GroupingMapBy<I, F> { /* private fields */ }Layout§
Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.