package links

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in-package search v0.2.0

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type t =

| PredicateDoesntIgnoreOutputs of {
1. fds : Fun_dep.Set.t;
2. columns : Alias.Set.t;
}
(*
The underlying lens predicate doesn't ignore the outputs of the functional dependencies.
*)
| TreeFormError of {
1. error : Fun_dep.Tree.Tree_form_error.t;
}
(*
The functional dependencies are not in tree form.
*)
| UnboundColumns of Alias.Set.t
(*
The specified columns are not bound by the lens.
*)

val pp : 
  Ppx_deriving_runtime.Format.formatter ->
  t ->
  Ppx_deriving_runtime.unit

val show : t -> Ppx_deriving_runtime.string

val equal : t -> t -> bool