Function middleware

repos/effect/packages/effect/src/unstable/httpapi/HttpApi.ts:157–163

(this: AnyWithProps, tag: HttpApiMiddleware.AnyService)

    this: Top,
    api: Top
  ) {
    const newGroups = { ...this.groups }
    for (const key of Object.keys(api.groups)) {
      const group = api.groups[key]
      InternalRecord.assignProperty(
        newGroups,
        key,
        group.annotateMerge(Context.merge(api.annotations, group.annotations))
      )
    }