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type t
class type implementation = object
method heading : (Concepts.Hash.hash, Concepts.Condition.condition) result
method predicate : (Concepts.Hash.hash option, Concepts.Condition.condition) result
method local_constraints : (Concepts.Hash.hash option, Concepts.Condition.condition) result
method contains : Concepts.Tuple.t -> (bool, Concepts.Condition.condition) result
end
val make : #implementation -> Handle.protocol
val from : Handle.t -> t Handle.interface option
val require : Handle.t -> (t Handle.interface, Concepts.Condition.condition) result
val heading : t Handle.interface -> (Concepts.Hash.hash, Concepts.Condition.condition) result
val predicate :
t Handle.interface -> (Concepts.Hash.hash option, Concepts.Condition.condition) result
val local_constraints :
t Handle.interface -> (Concepts.Hash.hash option, Concepts.Condition.condition) result
val contains :
t Handle.interface -> Concepts.Tuple.t -> (bool, Concepts.Condition.condition) result
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