15 lines
388 B
OCaml
15 lines
388 B
OCaml
type var = int
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type t =
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| Var of var
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| Const of string
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| Free of string
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| Function of string * t list
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type match_result = AllSubst of t | SomeSubst of t | NoneSubst | MatchErr
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val merge_result : match_result -> match_result -> match_result
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val match_term : t -> t -> t -> match_result
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val inc_var : t -> t
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val occurs : t -> t -> bool
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val to_string : string list -> t -> string
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