[Elab.definition.body] «term_+++_» : Lean.TrailingParserDescr :=
    Lean.ParserDescr.trailingNode `term_+++_ 45 46
      (Lean.ParserDescr.binary `andthen (Lean.ParserDescr.symbol "+++") (Lean.ParserDescr.cat `term 46))
[Elab.definition.body] «_aux_ppNotationCode___macroRules_term_+++__1» : Lean.Macro :=
    fun x =>
      let_fun __discr := x;
      if __discr.isOfKind `term_+++_ = true then
        let_fun __discr_1 := __discr.getArg 0;
        let_fun __discr_2 := __discr.getArg 1;
        let_fun __discr := __discr.getArg 2;
        let_fun rhs := { raw := __discr };
        let_fun lhs := { raw := __discr_1 };
        do
        let info ← Lean.MonadRef.mkInfoFromRefPos
        let scp ← Lean.getCurrMacroScope
        let mainModule ← Lean.getMainModule
        pure
            {
                raw :=
                  Lean.Syntax.node2 info `Lean.Parser.Term.app
                    (Lean.Syntax.ident info "Nat.add".toSubstring' (Lean.addMacroScope mainModule `Nat.add scp)
                      [Lean.Syntax.Preresolved.decl `Nat.add [], Lean.Syntax.Preresolved.namespace `Nat.add])
                    (Lean.Syntax.node2 info `null lhs.raw rhs.raw) }.raw
      else
        let_fun __discr := x;
        throw Lean.Macro.Exception.unsupportedSyntax
[Elab.definition.body] _aux_ppNotationCode___unexpand_Nat_add_1 : Lean.PrettyPrinter.Unexpander :=
    fun x =>
      let_fun __discr := x;
      if __discr.isOfKind `Lean.Parser.Term.app = true then
        let_fun __discr_1 := __discr.getArg 0;
        bif false || __discr_1.isOfKind `ident then
          let_fun __discr_2 := __discr.getArg 1;
          if __discr_2.matchesNull 2 = true then
            let_fun __discr := __discr_2.getArg 0;
            let_fun __discr_3 := __discr_2.getArg 1;
            let_fun rhs := { raw := __discr_3 };
            let_fun lhs := { raw := __discr };
            let_fun f := { raw := __discr_1 };
            Lean.withRef f.raw do
              let info ← Lean.MonadRef.mkInfoFromRefPos
              let _ ← Lean.getCurrMacroScope
              let _ ← Lean.getMainModule
              pure { raw := Lean.Syntax.node3 info `term_+++_ lhs.raw (Lean.Syntax.atom info "+++") rhs.raw }.raw
          else
            let_fun __discr := __discr.getArg 1;
            throw ()
        else
          let_fun __discr_2 := __discr.getArg 0;
          let_fun __discr := __discr.getArg 1;
          throw ()
      else
        let_fun __discr := x;
        throw ()