Purity also facilitates testing, for instance through QuickCheck, especially if the program is structured around a lot of small functions combined together.

纯洁性也有利于测试，尤其当程序的结构是由许多小函数嵌合而成的时候；比如Haskell的纯洁性就有效地降低了通过QuickCheck（译注：Haskell开源测试框架）进行测试的难度。

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Purity also facilitates testing, for instance through QuickCheck, especially if the program is structured around a lot of small functions combined together.

纯洁性也有利于测试，尤其当程序的结构是由许多小函数嵌合而成的时候；比如Haskell的纯洁性就有效地降低了通过QuickCheck（译注：Haskell开源测试框架）进行测试的难度。

youdao