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chore: unused binding in FromToJson

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Wojciech Nawrocki 2021-07-10 16:38:06 -07:00 • committed by Sebastian Ullrich
parent c7f5fd6ce4
commit eef413cec8
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src/Lean/Elab/Deriving/FromToJson.lean
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@ -132,7 +132,6 @@ where
let localDecl ← getLocalDecl x.fvarId!
if !localDecl.userName.hasMacroScopes then
userNames := userNames.push localDecl.userName
let xTy ← inferType x
let a := mkIdent (← mkFreshUserName `a)
identNames := identNames.push a
let jsonAccess ← identNames.mapIdxM (fun idx _ => `(jsons[$(quote idx.val)]))