def Lean.liftCommandElabM {α : Type} (k : Lean.Elab.Command.CommandElabM α) : Lean.CoreM α

Lift an action in CommandElabM into CoreM, updating the traces and the environment. This does not preserve things like open and namespace declarations.

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partial def Lean.withSetOptionIn (k : Lean.Elab.Command.CommandElab) : Lean.Elab.Command.CommandElab

Evaluate any set_option in commands before the given stx, and pass the inner stx with the updated environment to the continuation k.