(command.If
  arms: [
    (if_arm
      cond: 
        (condition.Shell
          commands: [
            (command.Sentence
              child: 
                (C {<Id.Lit_LBracket '['>} {<-z>} {(DQ (${ Id.VSub_Name __mal_env_included__))} 
                  {<Id.Lit_RBracket ']'>}
                )
              terminator: <Id.Op_Semi _>
            )
          ]
        )
      action: [
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:__mal_env_included)
              op: assign_op.Equal
              rhs: {<true>}
              spids: [27]
            )
          ]
        )
        (C {<source>} 
          {
            (command_sub
              left_token: <Id.Left_DollarParen '$('>
              child: (C {<dirname>} {($ Id.VSub_Number '$0')})
            ) <'/types.sh'>
          }
        )
        (command.ShFunction
          name: ENV
          body: 
            (BraceGroup
              children: [
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:r)
                      op: assign_op.Equal
                      rhs: (word.Empty)
                      spids: [55]
                    )
                  ]
                )
                (C {<_hash_map>})
                (C {<local>} {<Id.Lit_VarLike 'env='> (DQ (${ Id.VSub_Name r))})
                (command.If
                  arms: [
                    (if_arm
                      cond: 
                        (condition.Shell
                          commands: [
                            (command.Sentence
                              child: 
                                (command.DBracket
                                  expr: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Number 1))})
                                )
                              terminator: <Id.Op_Semi _>
                            )
                          ]
                        )
                      action: [
                        (command.Sentence
                          child: 
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:outer)
                                  op: assign_op.Equal
                                  rhs: {(DQ (${ Id.VSub_Number 1))}
                                  spids: [87]
                                )
                              ]
                            )
                          terminator: <Id.Op_Semi _>
                        )
                        (C {<shift>})
                        (C {<_assoc> <Id.KW_Bang '!'>} {(DQ (${ Id.VSub_Name env))} {(DQ <__outer__>)} 
                          {(DQ (${ Id.VSub_Name outer))}
                        )
                      ]
                      spids: [71 84]
                    )
                  ]
                  else_action: [
                    (C {<_assoc> <Id.KW_Bang '!'>} {(DQ (${ Id.VSub_Name env))} {(DQ <__outer__>)} 
                      {(DQ (${ Id.VSub_Name __nil))}
                    )
                  ]
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:r)
                      op: assign_op.Equal
                      rhs: {(DQ (${ Id.VSub_Name env))}
                      spids: [144]
                    )
                  ]
                )
                (command.If
                  arms: [
                    (if_arm
                      cond: 
                        (condition.Shell
                          commands: [
                            (command.Sentence
                              child: 
                                (command.DBracket
                                  expr: 
                                    (bool_expr.LogicalAnd
                                      left: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Number 1))})
                                      right: (bool_expr.WordTest w:{(DQ (${ Id.VSub_At '@'))})
                                    )
                                )
                              terminator: <Id.Op_Semi _>
                            )
                          ]
                        )
                      action: [
                        (command.Sentence
                          child: 
                            (C {<local>} 
                              {<Id.Lit_VarLike 'binds='> 
                                (sh_array_literal
                                  left: <Id.Op_LParen _>
                                  words: [
                                    {
                                      (braced_var_sub
                                        token: <Id.VSub_Name ANON>
                                        bracket_op: 
                                          (bracket_op.ArrayIndex
                                            expr: {(DQ (${ Id.VSub_Number 1))}
                                          )
                                      )
                                    }
                                  ]
                                )
                              }
                            )
                          terminator: <Id.Op_Semi _>
                        )
                        (C {<shift>})
                        (C {<local>} {<Id.Lit_VarLike 'idx='> <0>})
                        (command.WhileUntil
                          keyword: <Id.KW_While while>
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (command.DBracket
                                      expr: 
                                        (bool_expr.WordTest
                                          w: 
                                            {
                                              (DQ 
                                                (braced_var_sub
                                                  token: <Id.VSub_Name binds>
                                                  bracket_op: 
                                                    (bracket_op.ArrayIndex
                                                      expr: {(DQ (${ Id.VSub_Name idx))}
                                                    )
                                                )
                                              )
                                            }
                                        )
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          body: 
                            (command.DoGroup
                              children: [
                                (C {<local>} 
                                  {<Id.Lit_VarLike 'fp='> 
                                    (DQ 
                                      (braced_var_sub
                                        token: <Id.VSub_Name ANON>
                                        bracket_op: 
                                          (bracket_op.ArrayIndex
                                            expr: 
                                              {
                                                (DQ 
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name binds>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: {(DQ (${ Id.VSub_Name idx))}
                                                      )
                                                  )
                                                )
                                              }
                                          )
                                      )
                                    )
                                  }
                                )
                                (command.If
                                  arms: [
                                    (if_arm
                                      cond: 
                                        (condition.Shell
                                          commands: [
                                            (command.Sentence
                                              child: 
                                                (command.DBracket
                                                  expr: 
                                                    (bool_expr.Binary
                                                      op_id: Id.BoolBinary_GlobDEqual
                                                      left: {(DQ (${ Id.VSub_Name fp))}
                                                      right: {(DQ <'&'>)}
                                                    )
                                                )
                                              terminator: <Id.Op_Semi _>
                                            )
                                          ]
                                        )
                                      action: [
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:idx)
                                              op: assign_op.Equal
                                              rhs: 
                                                {
                                                  (word_part.ArithSub
                                                    anode: 
                                                      (arith_expr.Binary
                                                        op_id: Id.Arith_Plus
                                                        left: <Id.Lit_ArithVarLike idx>
                                                        right: {<Id.Lit_Digits 1>}
                                                      )
                                                  )
                                                }
                                              spids: [272]
                                            )
                                          ]
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:fp)
                                              op: assign_op.Equal
                                              rhs: 
                                                {
                                                  (DQ 
                                                    (braced_var_sub
                                                      token: <Id.VSub_Name ANON>
                                                      bracket_op: 
                                                        (bracket_op.ArrayIndex
                                                          expr: 
                                                            {
                                                              (DQ 
                                                                (braced_var_sub
                                                                  token: <Id.VSub_Name binds>
                                                                  bracket_op: 
                                                                    (bracket_op.ArrayIndex
                                                                      expr: 
                                                                        {(DQ (${ Id.VSub_Name idx))}
                                                                    )
                                                                )
                                                              )
                                                            }
                                                        )
                                                    )
                                                  )
                                                }
                                              spids: [285]
                                            )
                                          ]
                                        )
                                        (C {<_list>} {(DQ (${ Id.VSub_At '@'))})
                                        (C {<_assoc> <Id.KW_Bang '!'>} {(DQ (${ Id.VSub_Name env))} 
                                          {(DQ (${ Id.VSub_Name fp))} {(DQ (${ Id.VSub_Name r))}
                                        )
                                        (command.ControlFlow
                                          token: <Id.ControlFlow_Break break>
                                        )
                                      ]
                                      spids: [250 269]
                                    )
                                  ]
                                  else_action: [
                                    (C {<_assoc> <Id.KW_Bang '!'>} {(DQ (${ Id.VSub_Name env))} 
                                      {(DQ (${ Id.VSub_Name fp))} {(DQ (${ Id.VSub_Number 1))}
                                    )
                                    (C {<shift>})
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:idx)
                                          op: assign_op.Equal
                                          rhs: 
                                            {
                                              (word_part.ArithSub
                                                anode: 
                                                  (arith_expr.Binary
                                                    op_id: Id.Arith_Plus
                                                    left: <Id.Lit_ArithVarLike idx>
                                                    right: {<Id.Lit_Digits 1>}
                                                  )
                                              )
                                            }
                                          spids: [369]
                                        )
                                      ]
                                    )
                                  ]
                                )
                              ]
                            )
                        )
                      ]
                      spids: [153 174]
                    )
                  ]
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:r)
                      op: assign_op.Equal
                      rhs: {(DQ (${ Id.VSub_Name env))}
                      spids: [391]
                    )
                  ]
                )
              ]
            )
        )
        (command.ShFunction
          name: ENV_FIND
          body: 
            (BraceGroup
              children: [
                (command.If
                  arms: [
                    (if_arm
                      cond: 
                        (condition.Shell
                          commands: [
                            (command.Sentence
                              child: 
                                (C {<_contains> <Id.Lit_QMark '?'>} {(DQ (${ Id.VSub_Number 1))} 
                                  {
                                    (DQ 
                                      (braced_var_sub
                                        token: <Id.VSub_Name ANON>
                                        bracket_op: 
                                          (bracket_op.ArrayIndex
                                            expr: {(DQ (${ Id.VSub_Number 2))}
                                          )
                                      )
                                    )
                                  }
                                )
                              terminator: <Id.Op_Semi _>
                            )
                          ]
                        )
                      action: [
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:r)
                              op: assign_op.Equal
                              rhs: {(DQ (${ Id.VSub_Number 1))}
                              spids: [440]
                            )
                          ]
                        )
                      ]
                      spids: [412 437]
                    )
                  ]
                  else_action: [
                    (C {<local>} 
                      {<Id.Lit_VarLike 'obj='> 
                        (DQ 
                          (braced_var_sub
                            token: <Id.VSub_Name ANON>
                            bracket_op: (bracket_op.ArrayIndex expr:{(DQ (${ Id.VSub_Number 1))})
                          )
                        )
                      }
                    )
                    (C {<eval>} {<local>} 
                      {<Id.Lit_VarLike 'outer='> 
                        (DQ (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\$'>) <'{'> 
                          (${ Id.VSub_Name obj) <'['>
                        ) <__outer__> (DQ <']}'>)
                      }
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (command.DBracket
                                      expr: 
                                        (bool_expr.LogicalAnd
                                          left: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Name outer))})
                                          right: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: {(DQ (${ Id.VSub_Name outer))}
                                              right: {(DQ (${ Id.VSub_Name __nil))}
                                            )
                                        )
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (C {<ENV_FIND>} {(DQ (${ Id.VSub_Name outer))} {(DQ (${ Id.VSub_Number 2))})
                          ]
                          spids: [487 516]
                        )
                      ]
                      else_action: [
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:r)
                              op: assign_op.Equal
                              rhs: (word.Empty)
                              spids: [537]
                            )
                          ]
                        )
                      ]
                    )
                  ]
                )
              ]
            )
        )
        (command.ShFunction
          name: ENV_GET
          body: 
            (BraceGroup
              children: [
                (C {<ENV_FIND>} {(DQ (${ Id.VSub_Number 1))} {(DQ (${ Id.VSub_Number 2))})
                (C {<local>} {<Id.Lit_VarLike 'env='> (DQ (${ Id.VSub_Name r))})
                (C {<local>} 
                  {<Id.Lit_VarLike 'key='> 
                    (DQ 
                      (braced_var_sub
                        token: <Id.VSub_Name ANON>
                        bracket_op: (bracket_op.ArrayIndex expr:{(DQ (${ Id.VSub_Number 2))})
                      )
                    )
                  }
                )
                (command.If
                  arms: [
                    (if_arm
                      cond: 
                        (condition.Shell
                          commands: [
                            (command.Sentence
                              child: 
                                (command.DBracket
                                  expr: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Name r))})
                                )
                              terminator: <Id.Op_Semi _>
                            )
                          ]
                        )
                      action: [
                        (C {<local>} 
                          {<Id.Lit_VarLike 'obj='> 
                            (DQ 
                              (braced_var_sub
                                token: <Id.VSub_Name ANON>
                                bracket_op: (bracket_op.ArrayIndex expr:{(DQ (${ Id.VSub_Name env))})
                              )
                            )
                          }
                        )
                        (C {<eval>} 
                          {<Id.Lit_VarLike 'r='> 
                            (DQ (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\$'>) <'{'> 
                              (${ Id.VSub_Name obj) <'['>
                            ) (${ Id.VSub_Name key) (DQ <']}'>)
                          }
                        )
                      ]
                      spids: [607 620]
                    )
                  ]
                  else_action: [(C {<_error>} {(DQ <'\''> (${ Id.VSub_Name key) <'\' not found'>)})]
                )
              ]
            )
        )
        (command.ShFunction
          name: ENV_SET
          body: 
            (BraceGroup
              children: [
                (C {<local>} 
                  {<Id.Lit_VarLike 'key='> 
                    (DQ 
                      (braced_var_sub
                        token: <Id.VSub_Name ANON>
                        bracket_op: (bracket_op.ArrayIndex expr:{(DQ (${ Id.VSub_Number 2))})
                      )
                    )
                  }
                )
                (C {<_assoc> <Id.KW_Bang '!'>} {(DQ (${ Id.VSub_Number 1))} {(DQ (${ Id.VSub_Name key))} 
                  {(DQ (${ Id.VSub_Number 3))}
                )
              ]
            )
        )
      ]
      spids: [10 25]
    )
  ]
)