@[specialize #[]]
def Lean.PersistentHashMap.mergeWithM {α : Type u_1} [BEq α] [Hashable α] {m : Type (max u_2 u_1) → Type u_3} {β : Type (max u_2 u_1)} [Monad m] (self other : PersistentHashMap α β) (f : α → β → β → m β) :
m (PersistentHashMap α β)
Merge two PersistentHashMaps. The values of keys which appear in both maps are
combined using the monadic function f.
Instances For
@[inline]
def Lean.PersistentHashMap.mergeWith {α : Type u_1} [BEq α] [Hashable α] {β : Type u_2} (self other : PersistentHashMap α β) (f : α → β → β → β) :
Merge two PersistentHashMaps. The values of keys which appear in both maps are
combined using f.