Sourceval fold_on_nonequal_inter :
(key -> 'a value -> 'a value -> 'acc -> 'acc) ->
'a t ->
'a t ->
'acc ->
'acc Sourceval fold_on_nonequal_union :
(key -> 'a value option -> 'a value option -> 'acc -> 'acc) ->
'a t ->
'a t ->
'acc ->
'acc Sourceval nonreflexive_same_domain_for_all2 :
(key -> 'a value -> 'b value -> bool) ->
'a t ->
'b t ->
bool Sourceval reflexive_subset_domain_for_all2 :
(key -> 'a value -> 'a value -> bool) ->
'a t ->
'a t ->
bool Sourceval disjoint : 'a t -> 'a t -> bool