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| author |  Gaëtan Gilbert <gaetan.gilbert@skyskimmer.net> | 2018-06-21 18:02:40 +0200 |
|---|---|---|
| committer | Gaëtan Gilbert <gaetan.gilbert@skyskimmer.net> | 2018-06-22 13:09:15 +0200 |
| commit | d236c7362053c4fc8f1c7f3b59248b412b029fb8 (patch) | |
| tree | b1f4186bb493a9b91a36b3a29d29b4dfef040404 /kernel/uGraph.mli | |
| parent | 0f12f2334e6c921a13e2e2186c44b7fb017714c1 (diff) | |
Define and use UGraph.enforce_leq_alg for subtyping inference
Not sure if worth using in other places.
Diffstat (limited to 'kernel/uGraph.mli')
| -rw-r--r-- | kernel/uGraph.mli | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/uGraph.mli b/kernel/uGraph.mli index e6dd629e4..8c2d877b0 100644 --- a/kernel/uGraph.mli +++ b/kernel/uGraph.mli @@ -42,6 +42,9 @@ val merge_constraints : Constraint.t -> t -> t val check_constraint : t -> univ_constraint -> bool val check_constraints : Constraint.t -> t -> bool +(** Picks an arbitrary set of constraints sufficient to ensure [u <= v]. *) +val enforce_leq_alg : Universe.t -> Universe.t -> t -> Constraint.t * t + (** Adds a universe to the graph, ensuring it is >= or > Set. @raise AlreadyDeclared if the level is already declared in the graph. *) |