How can you know if all functions are supported with unit tests?

您怎么知道所有的功能都通过了单元测试呢？

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Ensures that all functions in an expression have the correct number of arguments.

确保表达式中所有函数的自变量数量正确。

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All functions are defined as services.

所有功能都定义为服务。

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It is a unique app with all these popular chatting and social functions, all-in-one make user very convenient in WeChat and no need to turn to others.

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"It's difficult, as you'd imagine, if you've got one agency or one entity doing all of your back-office functions to suddenly not use that entity, " she said.

WSJ: Charter Network Facing Closure

"IUS014F-Z" is an all-in-one imaging module type with a camera signal processing functions on the image sensor, with built-in auto-focus and image quality adjustment.

ENGADGET: Sony announces new Exmor RS cameraphone sensor: upgraded signal processing, HDR video recording