Union (p.coq-core.8.18.0.doc.coq-core.lib.Util.Union)

Sourceval map : ('a -> 'c) -> ('b -> 'd) -> ('a, 'b) union -> ('c, 'd) union

val equal : 
  ('a -> 'a -> bool) ->
  ('b -> 'b -> bool) ->
  ('a, 'b) union ->
  ('a, 'b) union ->
  bool

val fold_left : 
  ('c -> 'a -> 'c) ->
  ('c -> 'b -> 'c) ->
  'c ->
  ('a, 'b) union ->
  'c