---
Function {
 argument: None,
 arguments: FunctionArguments {
  arguments: [
   FunctionArgument {
    identifier: "config",
    default: None,
   },
   FunctionArgument {
    identifier: "lib",
    default: None,
   },
  ],
  ellipsis: true,
 },
 definition: LetIn {
  bindings: [
   Inherit(
    Some(
     Variable {
      identifier: "lib",
      position: (4, 12),
     },
    ),
    [
     Raw {
      content: "types",
      position: (4, 17),
     },
    ],
   ),
  ],
  target: Map {
   bindings: [
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "options",
        position: (6, 3),
       },
      ],
     },
     Map {
      bindings: [
       KeyValue(
        AttributePath {
         attributes: [
          Raw {
           content: "fun",
           position: (7, 5),
          },
         ],
        },
        FunctionApplication {
         function: PropertyAccess {
          expression: Variable {
           identifier: "lib",
           position: (7, 11),
          },
          attribute_path: AttributePath {
           attributes: [
            Raw {
             content: "mkOption",
             position: (7, 15),
            },
           ],
          },
          default: None,
         },
         arguments: [
          Map {
           bindings: [
            KeyValue(
             AttributePath {
              attributes: [
               Raw {
                content: "type",
                position: (8, 7),
               },
              ],
             },
             FunctionApplication {
              function: PropertyAccess {
               expression: Variable {
                identifier: "types",
                position: (8, 14),
               },
               attribute_path: AttributePath {
                attributes: [
                 Raw {
                  content: "functionTo",
                  position: (8, 20),
                 },
                ],
               },
               default: None,
              },
              arguments: [
               FunctionApplication {
                function: PropertyAccess {
                 expression: Variable {
                  identifier: "types",
                  position: (8, 32),
                 },
                 attribute_path: AttributePath {
                  attributes: [
                   Raw {
                    content: "listOf",
                    position: (8, 38),
                   },
                  ],
                 },
                 default: None,
                },
                arguments: [
                 PropertyAccess {
                  expression: Variable {
                   identifier: "types",
                   position: (8, 45),
                  },
                  attribute_path: AttributePath {
                   attributes: [
                    Raw {
                     content: "str",
                     position: (8, 51),
                    },
                   ],
                  },
                  default: None,
                 },
                ],
               },
              ],
             },
            ),
           ],
           recursive: false,
           position: (7, 24),
          },
         ],
        },
       ),
       KeyValue(
        AttributePath {
         attributes: [
          Raw {
           content: "result",
           position: (11, 5),
          },
         ],
        },
        FunctionApplication {
         function: PropertyAccess {
          expression: Variable {
           identifier: "lib",
           position: (11, 14),
          },
          attribute_path: AttributePath {
           attributes: [
            Raw {
             content: "mkOption",
             position: (11, 18),
            },
           ],
          },
          default: None,
         },
         arguments: [
          Map {
           bindings: [
            KeyValue(
             AttributePath {
              attributes: [
               Raw {
                content: "type",
                position: (12, 7),
               },
              ],
             },
             PropertyAccess {
              expression: Variable {
               identifier: "types",
               position: (12, 14),
              },
              attribute_path: AttributePath {
               attributes: [
                Raw {
                 content: "str",
                 position: (12, 20),
                },
               ],
              },
              default: None,
             },
            ),
            KeyValue(
             AttributePath {
              attributes: [
               Raw {
                content: "default",
                position: (13, 7),
               },
              ],
             },
             FunctionApplication {
              function: Variable {
               identifier: "toString",
               position: (13, 17),
              },
              arguments: [
               FunctionApplication {
                function: PropertyAccess {
                 expression: Variable {
                  identifier: "config",
                  position: (13, 27),
                 },
                 attribute_path: AttributePath {
                  attributes: [
                   Raw {
                    content: "fun",
                    position: (13, 34),
                   },
                  ],
                 },
                 default: None,
                },
                arguments: [
                 Map {
                  bindings: [
                   KeyValue(
                    AttributePath {
                     attributes: [
                      Raw {
                       content: "a",
                       position: (14, 9),
                      },
                     ],
                    },
                    String {
                     parts: [
                      Raw {
                       content: "a",
                       position: (14, 14),
                      },
                     ],
                    },
                   ),
                   KeyValue(
                    AttributePath {
                     attributes: [
                      Raw {
                       content: "b",
                       position: (15, 9),
                      },
                     ],
                    },
                    String {
                     parts: [
                      Raw {
                       content: "b",
                       position: (15, 14),
                      },
                     ],
                    },
                   ),
                   KeyValue(
                    AttributePath {
                     attributes: [
                      Raw {
                       content: "c",
                       position: (16, 9),
                      },
                     ],
                    },
                    String {
                     parts: [
                      Raw {
                       content: "c",
                       position: (16, 14),
                      },
                     ],
                    },
                   ),
                  ],
                  recursive: false,
                  position: (13, 38),
                 },
                ],
               },
              ],
             },
            ),
           ],
           recursive: false,
           position: (11, 27),
          },
         ],
        },
       ),
      ],
      recursive: false,
      position: (6, 13),
     },
    ),
    KeyValue(
     AttributePath {
      attributes: [
       Raw {
        content: "config",
        position: (21, 3),
       },
       Raw {
        content: "fun",
        position: (21, 10),
       },
      ],
     },
     FunctionApplication {
      function: PropertyAccess {
       expression: Variable {
        identifier: "lib",
        position: (21, 16),
       },
       attribute_path: AttributePath {
        attributes: [
         Raw {
          content: "mkMerge",
          position: (21, 20),
         },
        ],
       },
       default: None,
      },
      arguments: [
       List {
        elements: [
         Function {
          argument: Some(
           "input",
          ),
          arguments: FunctionArguments {
           arguments: [],
           ellipsis: false,
          },
          definition: FunctionApplication {
           function: PropertyAccess {
            expression: Variable {
             identifier: "lib",
             position: (22, 13),
            },
            attribute_path: AttributePath {
             attributes: [
              Raw {
               content: "mkAfter",
               position: (22, 17),
              },
             ],
            },
            default: None,
           },
           arguments: [
            List {
             elements: [
              PropertyAccess {
               expression: Variable {
                identifier: "input",
                position: (22, 27),
               },
               attribute_path: AttributePath {
                attributes: [
                 Raw {
                  content: "a",
                  position: (22, 33),
                 },
                ],
               },
               default: None,
              },
             ],
             position: (22, 25),
            },
           ],
          },
          position: (22, 6),
         },
         Function {
          argument: Some(
           "input",
          ),
          arguments: FunctionArguments {
           arguments: [],
           ellipsis: false,
          },
          definition: List {
           elements: [
            PropertyAccess {
             expression: Variable {
              identifier: "input",
              position: (23, 15),
             },
             attribute_path: AttributePath {
              attributes: [
               Raw {
                content: "b",
                position: (23, 21),
               },
              ],
             },
             default: None,
            },
           ],
           position: (23, 13),
          },
          position: (23, 6),
         },
        ],
        position: (21, 28),
       },
      ],
     },
    ),
   ],
   recursive: false,
   position: (5, 4),
  },
  position: (3, 1),
 },
 position: (2, 1),
}