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authorPierre-Marie Pédrot2020-09-28 11:14:23 +0200
committerPierre-Marie Pédrot2020-09-30 13:20:27 +0200
commite3a1cf35313bbc4eaca2a43f5fc95ca306bc45fa (patch)
tree288992d95abc5eadcdaa22867ebf0fd944e07a72 /vernac/record.ml
parent2c802aaf74c83274ae922c59081c01bfc267d31b (diff)
Remove the forward class hint feature.
It was not documented, not properly tested and thus likely buggy. Judging from the code alone I spotted already one potential bug. Further more it was prominently making use of the infamous "arbitrary term as hint" feature. Since the only user in our CI seems to be a math-classes file that introduced the feature under a claim of "cleanup", I believe we can safely remove it without anyone noticing.
Diffstat (limited to 'vernac/record.ml')
-rw-r--r--vernac/record.ml5
1 files changed, 2 insertions, 3 deletions
diff --git a/vernac/record.ml b/vernac/record.ml
index bd5b71cd6b..79abf94726 100644
--- a/vernac/record.ml
+++ b/vernac/record.ml
@@ -557,7 +557,7 @@ let declare_class def cumulative ubinders univs id idbuild paramimpls params uni
Impargs.declare_manual_implicits false (GlobRef.ConstRef proj_cst) (List.hd fieldimpls);
Classes.set_typeclass_transparency (EvalConstRef cst) false false;
let sub = match List.hd coers with
- | Some b -> Some ((if b then Backward else Forward), List.hd priorities)
+ | Some () -> Some (Backward, List.hd priorities)
| None -> None
in
[cref, [Name proj_name, sub, Some proj_cst]]
@@ -568,8 +568,7 @@ let declare_class def cumulative ubinders univs id idbuild paramimpls params uni
params template ~kind:Decls.Method ~name:[|binder_name|] record_data
in
let coers = List.map2 (fun coe pri ->
- Option.map (fun b ->
- if b then Backward, pri else Forward, pri) coe)
+ Option.map (fun () -> Backward, pri) coe)
coers priorities
in
let map ind =