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Literate programming is the idea that code should be intermingled with prose such that an uninformed reader could read a code base as a narrative, and come away with an understanding of how it works and what it does.
，这一点在wps中也有详细论述
This automagically fetches the column names and definitions from the database, no other work required! Of course, we usually want to set some validation. There’s all kinds of hooks and additions you can sprinkle here, so if I wanted to validate that for example a valid Hex colour has been set, I could add:
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