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fix: do not reverse subgoals of local instances

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This commit is contained in:
Gabriel Ebner 2023-03-08 14:03:30 -08:00
parent 2262579f9b
commit 0cc9d7a43d
1 changed files with 2 additions and 5 deletions
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7
src/Lean/Meta/SynthInstance.lean
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@ -312,14 +312,11 @@ private partial def getSubgoalsAux (lctx : LocalContext) (localInsts : LocalInst
def getSubgoals (lctx : LocalContext) (localInsts : LocalInstances) (xs : Array Expr) (inst : Expr) : MetaM SubgoalsResult := do
let instType ← inferType inst
let result ← getSubgoalsAux lctx localInsts xs #[] 0 [] inst instType
match inst.getAppFn with
| Expr.const constName _ =>
if let .const constName _ := inst.getAppFn then
let env ← getEnv
if hasInferTCGoalsRLAttribute env constName then
return result
else
return { result with subgoals := result.subgoals.reverse }
| _ => return result
return { result with subgoals := result.subgoals.reverse }
/--
Try to synthesize metavariable `mvar` using the instance `inst`.