GO TO标签语句可以无条件地退出循环，并将控制权转移到跟在指定的语句标签之后的可执行语句或语句块。

The GOTO label statement can unconditionally exit from a loop and transfer control to the executable statement or statement block that follows the specified statement label.

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使用有语义的语句标签。

Use statement labels that mean something.

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对语句标签以及GOTO和loop语句的新支持为SPL例程中的迭代和退出语句循环提供了更大的灵活性。

The new support for statement labels and the GOTO and loop statements provide greater flexibility in iterating and in exiting from statement loops in SPL routines.

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