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(* Open Source License                                                       *)
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open Alpha_context

val empty : 'a Script_typed_ir.comparable_ty -> ('a, 'b) Script_typed_ir.map

val fold :
  ('key -> 'value -> 'acc -> 'acc) ->
  ('key, 'value) Script_typed_ir.map ->
  'acc ->
  'acc

val update :
  'a ->
  'b option ->
  ('a, 'b) Script_typed_ir.map ->
  ('a, 'b) Script_typed_ir.map

val mem : 'key -> ('key, 'value) Script_typed_ir.map -> bool

val get : 'key -> ('key, 'value) Script_typed_ir.map -> 'value option

val key_ty : ('a, 'b) Script_typed_ir.map -> 'a Script_typed_ir.comparable_ty

val size : ('a, 'b) Script_typed_ir.map -> Script_int.n Script_int.num