(command.CommandList
  children: [
    (command.ShFunction
      name_tok: <_Dbg_is_function>
      name: _Dbg_is_function
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.AndOr
              children: [
                (command.DParen
                  left: <Id.Op_DLeftParen _>
                  child: 
                    (arith_expr.Binary
                      op_id: Id.Arith_DEqual
                      left: {<Id.Lit_Digits 0>}
                      right: {($ Id.VSub_Pound '#')}
                    )
                  right: <Id.Op_DRightParen _>
                  redirects: []
                )
                (command.ControlFlow
                  keyword: <Id.ControlFlow_Return return>
                  arg_word: {<1>}
                )
              ]
              ops: [<Id.Op_DAmp _>]
            )
            (command.Simple
              blame_tok: <typeset>
              more_env: []
              words: [{<typeset>} {<Id.Lit_VarLike 'needed_fn='> ($ Id.VSub_Number 1)}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <typeset>
              more_env: []
              words: [
                {<typeset>}
                {<-i>}
                {<Id.Lit_VarLike 'include_system='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 2>
                    var_name: 2
                    suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{<0>})
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.AndOr
              children: [
                (command.DBracket
                  left: <Id.KW_DLeftBracket '[['>
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobDEqual
                      left: 
                        {
                          (BracedVarSub
                            left: <Id.Left_DollarBrace '${'>
                            token: <Id.VSub_Name needed_fn>
                            var_name: needed_fn
                            suffix_op: 
                              (suffix_op.Slice
                                begin: {<Id.Lit_Digits 0>}
                                length: {<Id.Lit_Digits 1>}
                              )
                            right: <Id.Arith_RBrace _>
                          )
                        }
                      right: {(SQ <_>)}
                    )
                  right: <Id.Lit_DRightBracket ']]'>
                  redirects: []
                )
                (command.DParen
                  left: <Id.Op_DLeftParen _>
                  child: 
                    (arith_expr.Unary
                      op_id: Id.Arith_Bang
                      child: ($ Id.Lit_ArithVarLike include_system)
                    )
                  right: <Id.Op_DRightParen _>
                  redirects: []
                )
                (BraceGroup
                  left: <Id.Lit_LBrace '{'>
                  children: [
                    (command.ControlFlow
                      keyword: <Id.ControlFlow_Return return>
                      arg_word: {<1>}
                    )
                  ]
                  redirects: []
                  right: <Id.Lit_RBrace '}'>
                )
              ]
              ops: [<Id.Op_DAmp _> <Id.Op_DAmp _>]
            )
            (command.Simple
              blame_tok: <declare>
              more_env: []
              words: [{<declare>} {<-F>} {($ Id.VSub_DollarName needed_fn)}]
              redirects: [
                (Redir
                  op: <Id.Redir_Great '>'>
                  loc: (redir_loc.Fd fd:1)
                  arg: {<'/dev/null'>}
                )
                (Redir op:<Id.Redir_GreatAnd '2>&'> loc:(redir_loc.Fd fd:2) arg:{<1>})
              ]
              do_fork: T
            )
            (command.ControlFlow
              keyword: <Id.ControlFlow_Return return>
              arg_word: {($ Id.VSub_QMark '?')}
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <_Dbg_is_int>
      name: _Dbg_is_int
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.AndOr
              children: [
                (command.DParen
                  left: <Id.Op_DLeftParen _>
                  child: 
                    (arith_expr.Binary
                      op_id: Id.Arith_DEqual
                      left: {<Id.Lit_Digits 1>}
                      right: {($ Id.VSub_Pound '#')}
                    )
                  right: <Id.Op_DRightParen _>
                  redirects: []
                )
                (command.ControlFlow
                  keyword: <Id.ControlFlow_Return return>
                  arg_word: {<1>}
                )
              ]
              ops: [<Id.Op_DPipe _>]
            )
            (command.Simple
              blame_tok: <typeset>
              more_env: []
              words: [{<typeset>} {<Id.Lit_VarLike 'rc='> <1>}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <eval>
              more_env: []
              words: [{<eval>} {(DQ ($ Id.VSub_DollarName _seteglob))}]
              redirects: []
              do_fork: T
            )
            (command.AndOr
              children: [
                (command.DBracket
                  left: <Id.KW_DLeftBracket '[['>
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobDEqual
                      left: {($ Id.VSub_Number 1)}
                      right: {($ Id.VSub_DollarName int_pat)}
                    )
                  right: <Id.Lit_DRightBracket ']]'>
                  redirects: []
                )
                (command.ShAssignment
                  left: <Id.Lit_VarLike 'rc='>
                  pairs: [
                    (AssignPair
                      left: <Id.Lit_VarLike 'rc='>
                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'rc='> name:rc)
                      op: assign_op.Equal
                      rhs: {<0>}
                    )
                  ]
                  redirects: []
                )
              ]
              ops: [<Id.Op_DAmp _>]
            )
            (command.Simple
              blame_tok: <eval>
              more_env: []
              words: [{<eval>} {(DQ ($ Id.VSub_DollarName _resteglob))}]
              redirects: []
              do_fork: T
            )
            (command.ControlFlow
              keyword: <Id.ControlFlow_Return return>
              arg_word: {($ Id.VSub_DollarName rc)}
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <_Dbg_is_signed_int>
      name: _Dbg_is_signed_int
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.AndOr
              children: [
                (command.DParen
                  left: <Id.Op_DLeftParen _>
                  child: 
                    (arith_expr.Binary
                      op_id: Id.Arith_DEqual
                      left: {<Id.Lit_Digits 1>}
                      right: {($ Id.VSub_Pound '#')}
                    )
                  right: <Id.Op_DRightParen _>
                  redirects: []
                )
                (command.ControlFlow
                  keyword: <Id.ControlFlow_Return return>
                  arg_word: {<1>}
                )
              ]
              ops: [<Id.Op_DPipe _>]
            )
            (command.Simple
              blame_tok: <typeset>
              more_env: []
              words: [{<typeset>} {<Id.Lit_VarLike 'rc='> <1>}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <eval>
              more_env: []
              words: [{<eval>} {(DQ ($ Id.VSub_DollarName _seteglob))}]
              redirects: []
              do_fork: T
            )
            (command.AndOr
              children: [
                (command.DBracket
                  left: <Id.KW_DLeftBracket '[['>
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobDEqual
                      left: {($ Id.VSub_Number 1)}
                      right: {($ Id.VSub_DollarName _Dbg_signed_int_pat)}
                    )
                  right: <Id.Lit_DRightBracket ']]'>
                  redirects: []
                )
                (command.ShAssignment
                  left: <Id.Lit_VarLike 'rc='>
                  pairs: [
                    (AssignPair
                      left: <Id.Lit_VarLike 'rc='>
                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'rc='> name:rc)
                      op: assign_op.Equal
                      rhs: {<0>}
                    )
                  ]
                  redirects: []
                )
              ]
              ops: [<Id.Op_DAmp _>]
            )
            (command.Simple
              blame_tok: <eval>
              more_env: []
              words: [{<eval>} {(DQ ($ Id.VSub_DollarName _resteglob))}]
              redirects: []
              do_fork: T
            )
            (command.ControlFlow
              keyword: <Id.ControlFlow_Return return>
              arg_word: {($ Id.VSub_DollarName rc)}
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
  ]
)