[Elab.definition.body] «term_+++_» : Lean.TrailingParserDescr :=
Lean.ParserDescr.trailingNode `«term_+++_» 1022 1
  (Lean.ParserDescr.binary `andthen (Lean.ParserDescr.symbol "+++") (Lean.ParserDescr.cat `term 1))
[Elab.definition.body] myMacro._@.ppNotationCode._hyg.20 : Lean.Macro :=
fun (x : Lean.Syntax) =>
  let discr : Lean.Syntax := x;
  if Lean.Syntax.isOfKind discr `«term_+++_» = true then
    let discr_1 : Lean.Syntax := Lean.Syntax.getArg discr 0;
    let discr_2 : Lean.Syntax := Lean.Syntax.getArg discr 1;
    let discr : Lean.Syntax := Lean.Syntax.getArg discr 2;
    let rhs : Lean.Syntax := discr;
    let lhs : Lean.Syntax := discr_1;
    do 
      let info ← Lean.MonadRef.mkInfoFromRefPos 
      let scp ← Lean.getCurrMacroScope 
      let mainModule ← Lean.getMainModule 
      pure
          (Lean.Syntax.node `Lean.Parser.Term.app
            #[Lean.Syntax.ident info (String.toSubstring "Nat.add") (Lean.addMacroScope mainModule `Nat.add scp)
                [(`Nat.add, [])],
              Lean.Syntax.node `null #[lhs, rhs]])
  else
    let discr : Lean.Syntax := x;
    throw Lean.Macro.Exception.unsupportedSyntax
[Elab.definition.body] unexpand._@.ppNotationCode._hyg.4 : Lean.PrettyPrinter.Unexpander :=
fun (x : Lean.Syntax) =>
  let discr : Lean.Syntax := x;
  if Lean.Syntax.isOfKind discr `Lean.Parser.Term.app = true then
    let discr_1 : Lean.Syntax := Lean.Syntax.getArg discr 0;
    let discr_2 : Lean.Syntax := Lean.Syntax.getArg discr 1;
    if Lean.Syntax.matchesNull discr_2 2 = true then
      let discr : Lean.Syntax := Lean.Syntax.getArg discr_2 0;
      let discr_3 : Lean.Syntax := Lean.Syntax.getArg discr_2 1;
      let rhs : Lean.Syntax := discr_3;
      let lhs : Lean.Syntax := discr;
      do 
        let info ← Lean.MonadRef.mkInfoFromRefPos 
        Lean.getCurrMacroScope 
        Lean.getMainModule 
        pure (Lean.Syntax.node `«term_+++_» #[lhs, Lean.Syntax.atom info "+++", rhs])
    else
      let discr : Lean.Syntax := Lean.Syntax.getArg discr 1;
      throw Unit.unit
  else
    let discr : Lean.Syntax := x;
    throw Unit.unit