Documentation

Lean.Meta.Tactic.Revert

source
def Lean.MVarId.revert (mvarId : Lean.MVarId) (fvarIds : Array Lean.FVarId) (preserveOrder : optParam Bool false) (clearAuxDeclsInsteadOfRevert : optParam Bool false) :
Lean.MetaM (Array Lean.FVarId × Lean.MVarId)

Revert free variables fvarIds at goal mvarId.

Instances For
    source
    def Lean.MVarId.revertAfter (mvarId : Lean.MVarId) (fvarId : Lean.FVarId) :
    Lean.MetaM (Array Lean.FVarId × Lean.MVarId)

    Reverts all local declarations after fvarId.

    Instances For
      source
      @[deprecated Lean.MVarId.revert]
      def Lean.Meta.revert (mvarId : Lean.MVarId) (fvarIds : Array Lean.FVarId) (preserveOrder : optParam Bool false) :
      Lean.MetaM (Array Lean.FVarId × Lean.MVarId)
      Instances For