Class

packages/core/api/src/observability.test.ts:76–76

  it.effect("non-storage typed failures pass through unchanged", () =>
    Effect.gen(function* () {
      class DomainError {
        readonly _tag = "DomainError" as const;
      }
      const eff = Effect.fail(new DomainError()) as Effect.Effect<never, DomainError>;