8 lines
199 B
OCaml
8 lines
199 B
OCaml
type t = Type.t Map.Make(Identifier).t
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val apply : t -> Type.t -> Type.t
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(* compose s2 s1 : first s1, then s2 *)
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val compose : t -> t -> t
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val empty : t
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val singleton : Identifier.t -> Type.t -> t
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