DeveloperError

构造一个由于开发人员错误而抛出的异常对象，例如参数无效、参数超出范围等。此异常只能在开发期间抛出；它通常表明调用代码中存在错误。这个异常不应该被捕获；相反，调用代码应该努力不生成它。 Constructs an exception object that is thrown due to a developer error, e.g., invalid argument, argument out of range, etc. This exception should only be thrown during development; it usually indicates a bug in the calling code. This exception should never be caught; instead the calling code should strive not to generate it.

另一方面，一个 On the other hand, a RuntimeError 指示可能在运行时引发的异常，例如内存不足，调用代码应准备好捕获该异常。 indicates an exception that may be thrown at runtime, e.g., out of memory, that the calling code should be prepared to catch.