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3193e4902d
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f1baaa23a8
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@ -80,3 +80,6 @@ let extend t ~vars =
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| Some _ -> v2
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| None -> v1)
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)
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let add t ~var ~value =
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make ~base:t.base ~extra:(Map.add t.extra var value)
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@ -16,3 +16,5 @@ val to_unix : t -> string array
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val get : t -> Var.t -> string option
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val extend : t -> vars:string Map.t -> t
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val add : t -> var:Var.t -> value:string -> t
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