Function of

src/dependency.ts:86–92

* Return the matching Dependable for the given class instance.

(instance: IDependable)

   * Return the matching Dependable for the given class instance.
   */
  public static of(instance: IDependable): Dependable {
    const ret = (instance as any)[DEPENDABLE_SYMBOL];
    if (!ret) {
      throw new Error(`${instance} does not implement IDependable. Use "Dependable.implement()" to implement`);
    }
    return ret;
  }

  /**
   * Return the matching Dependable for the given class instance.