Function(
 Function {
  head: Destructured(
   FunctionHeadDestructured {
    ellipsis: true,
    identifier: None,
    arguments: [
     FunctionHeadDestructuredArgument {
      identifier: "lib",
      default: None,
     },
    ],
   },
  ),
  body: Map(
   Map {
    recursive: false,
    bindings: [
     KeyValue(
      BindingKeyValue {
       from: [
        Raw(
         PartRaw {
          content: "options",
          span: Span {
           start: Position {
            line: 4,
            column: 3,
           },
           end: Position {
            line: 4,
            column: 10,
           },
          },
         },
        ),
       ],
       to: Map(
        Map {
         recursive: false,
         bindings: [
          KeyValue(
           BindingKeyValue {
            from: [
             Raw(
              PartRaw {
               content: "value",
               span: Span {
                start: Position {
                 line: 5,
                 column: 5,
                },
                end: Position {
                 line: 5,
                 column: 10,
                },
               },
              },
             ),
            ],
            to: FunctionApplication(
             FunctionApplication {
              function: PropertyAccess(
               PropertyAccess {
                expression: Identifier(
                 Identifier {
                  id: "lib",
                  span: Span {
                   start: Position {
                    line: 5,
                    column: 13,
                   },
                   end: Position {
                    line: 5,
                    column: 16,
                   },
                  },
                 },
                ),
                attribute_path: [
                 Raw(
                  PartRaw {
                   content: "mkOption",
                   span: Span {
                    start: Position {
                     line: 5,
                     column: 17,
                    },
                    end: Position {
                     line: 5,
                     column: 25,
                    },
                   },
                  },
                 ),
                ],
                default: None,
               },
              ),
              arguments: [
               Map(
                Map {
                 recursive: false,
                 bindings: [
                  KeyValue(
                   BindingKeyValue {
                    from: [
                     Raw(
                      PartRaw {
                       content: "default",
                       span: Span {
                        start: Position {
                         line: 6,
                         column: 7,
                        },
                        end: Position {
                         line: 6,
                         column: 14,
                        },
                       },
                      },
                     ),
                    ],
                    to: Integer(
                     Integer {
                      value: "42",
                      span: Span {
                       start: Position {
                        line: 6,
                        column: 17,
                       },
                       end: Position {
                        line: 6,
                        column: 19,
                       },
                      },
                     },
                    ),
                   },
                  ),
                  KeyValue(
                   BindingKeyValue {
                    from: [
                     Raw(
                      PartRaw {
                       content: "type",
                       span: Span {
                        start: Position {
                         line: 7,
                         column: 7,
                        },
                        end: Position {
                         line: 7,
                         column: 11,
                        },
                       },
                      },
                     ),
                    ],
                    to: FunctionApplication(
                     FunctionApplication {
                      function: PropertyAccess(
                       PropertyAccess {
                        expression: Identifier(
                         Identifier {
                          id: "lib",
                          span: Span {
                           start: Position {
                            line: 7,
                            column: 14,
                           },
                           end: Position {
                            line: 7,
                            column: 17,
                           },
                          },
                         },
                        ),
                        attribute_path: [
                         Raw(
                          PartRaw {
                           content: "types",
                           span: Span {
                            start: Position {
                             line: 7,
                             column: 18,
                            },
                            end: Position {
                             line: 7,
                             column: 23,
                            },
                           },
                          },
                         ),
                         Raw(
                          PartRaw {
                           content: "coercedTo",
                           span: Span {
                            start: Position {
                             line: 7,
                             column: 24,
                            },
                            end: Position {
                             line: 7,
                             column: 33,
                            },
                           },
                          },
                         ),
                        ],
                        default: None,
                       },
                      ),
                      arguments: [
                       PropertyAccess(
                        PropertyAccess {
                         expression: Identifier(
                          Identifier {
                           id: "lib",
                           span: Span {
                            start: Position {
                             line: 7,
                             column: 34,
                            },
                            end: Position {
                             line: 7,
                             column: 37,
                            },
                           },
                          },
                         ),
                         attribute_path: [
                          Raw(
                           PartRaw {
                            content: "types",
                            span: Span {
                             start: Position {
                              line: 7,
                              column: 38,
                             },
                             end: Position {
                              line: 7,
                              column: 43,
                             },
                            },
                           },
                          ),
                          Raw(
                           PartRaw {
                            content: "int",
                            span: Span {
                             start: Position {
                              line: 7,
                              column: 44,
                             },
                             end: Position {
                              line: 7,
                              column: 47,
                             },
                            },
                           },
                          ),
                         ],
                         default: None,
                        },
                       ),
                       PropertyAccess(
                        PropertyAccess {
                         expression: Identifier(
                          Identifier {
                           id: "builtins",
                           span: Span {
                            start: Position {
                             line: 7,
                             column: 48,
                            },
                            end: Position {
                             line: 7,
                             column: 56,
                            },
                           },
                          },
                         ),
                         attribute_path: [
                          Raw(
                           PartRaw {
                            content: "toString",
                            span: Span {
                             start: Position {
                              line: 7,
                              column: 57,
                             },
                             end: Position {
                              line: 7,
                              column: 65,
                             },
                            },
                           },
                          ),
                         ],
                         default: None,
                        },
                       ),
                       PropertyAccess(
                        PropertyAccess {
                         expression: Identifier(
                          Identifier {
                           id: "lib",
                           span: Span {
                            start: Position {
                             line: 7,
                             column: 66,
                            },
                            end: Position {
                             line: 7,
                             column: 69,
                            },
                           },
                          },
                         ),
                         attribute_path: [
                          Raw(
                           PartRaw {
                            content: "types",
                            span: Span {
                             start: Position {
                              line: 7,
                              column: 70,
                             },
                             end: Position {
                              line: 7,
                              column: 75,
                             },
                            },
                           },
                          ),
                          Raw(
                           PartRaw {
                            content: "str",
                            span: Span {
                             start: Position {
                              line: 7,
                              column: 76,
                             },
                             end: Position {
                              line: 7,
                              column: 79,
                             },
                            },
                           },
                          ),
                         ],
                         default: None,
                        },
                       ),
                      ],
                     },
                    ),
                   },
                  ),
                 ],
                 span: Span {
                  start: Position {
                   line: 5,
                   column: 26,
                  },
                  end: Position {
                   line: 8,
                   column: 6,
                  },
                 },
                },
               ),
              ],
             },
            ),
           },
          ),
         ],
         span: Span {
          start: Position {
           line: 4,
           column: 13,
          },
          end: Position {
           line: 9,
           column: 4,
          },
         },
        },
       ),
      },
     ),
    ],
    span: Span {
     start: Position {
      line: 3,
      column: 1,
     },
     end: Position {
      line: 10,
      column: 2,
     },
    },
   },
  ),
  span: Span {
   start: Position {
    line: 1,
    column: 1,
   },
   end: Position {
    line: 10,
    column: 2,
   },
  },
 },
)