René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"\"merging two sets of defaults is undefined\" is occured when allOf with default value","articleBody":"This is completely correct OpenAPI doc, but the error is occured.\r\n\r\n```yaml\r\n          schema:\r\n            allOf:\r\n              - $ref: '#/components/schemas/TaskSortEnum'\r\n              - default: -createdAt\r\n```\r\n\r\nresult\r\n\r\n```console\r\n$ oapi-codegen /tmp/openapi.yaml \r\nerror generating code: error creating operation definitions: error describing global parameters for GET//tasks: error generating type for param (sort): error merging schemas: error merging schemas for AllOf: merging two sets of defaults is undefined\r\n```\r\n\r\nfull OpenAPI doc is here\r\n\r\n```yaml\r\nopenapi: 3.0.0\r\ninfo:\r\n  description: \"\"\r\n  title: tutorial tasklist API\r\n  version: 0.1.0\r\nservers:\r\n  - description: local development server\r\n    url: http://localhost:8888\r\ncomponents:\r\n  schemas:\r\n    Error:\r\n      properties:\r\n        code:\r\n          description: Error code\r\n          format: int32\r\n          type: integer\r\n        message:\r\n          description: Error message\r\n          type: string\r\n      required:\r\n        - code\r\n        - message\r\n      title: Error\r\n      type: object\r\n    Task:\r\n      properties:\r\n        title:\r\n          type: string\r\n        done:\r\n          type: boolean\r\n        createdAt:\r\n          type: string\r\n        updatedAt:\r\n          type: string\r\n      required:\r\n        - title\r\n        - done\r\n        - createdAt\r\n        - updatedAt\r\n      type: object\r\n    TaskSortEnum:\r\n      enum:\r\n        - createdAt\r\n        - -createdAt\r\n        - updatedAt\r\n        - -updatedAt\r\n      type: string\r\npaths:\r\n  /tasks:\r\n    get:\r\n      description: \"\"\r\n      operationId: ListTask\r\n      parameters:\r\n        - in: query\r\n          name: sort\r\n          schema:\r\n            allOf:\r\n              - $ref: '#/components/schemas/TaskSortEnum'\r\n              - default: -createdAt\r\n      responses:\r\n        '200':\r\n          content:\r\n            application/json:\r\n              schema:\r\n                items:\r\n                  $ref: '#/components/schemas/Task'\r\n                type: array\r\n          description: ''\r\n        default:\r\n          content:\r\n            application/json:\r\n              schema:\r\n                $ref: '#/components/schemas/Error'\r\n          description: default error\r\n```","author":{"url":"https://github.com/podhmo","@type":"Person","name":"podhmo"},"datePublished":"2023-12-08T05:39:52Z","url":"https://github.com/oapi-codegen/oapi-codegen/issues/1379"}