diff options
Diffstat (limited to 'lib/cMap.mli')
| -rw-r--r-- | lib/cMap.mli | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/cMap.mli b/lib/cMap.mli index 222138828e..8865c1eefd 100644 --- a/lib/cMap.mli +++ b/lib/cMap.mli @@ -24,6 +24,10 @@ sig module Set : Set.S with type elt = key (** Sets used by the domain function *) + val modify : key -> (key -> 'a -> 'a) -> 'a t -> 'a t + (** Apply the given function to the binding of the given key. + @raise [Not_found] when the key is unbound in the map. *) + val domain : 'a t -> Set.t (** Recover the set of keys defined in the map. *) |