3MODULES AND PACKAGES
Information about the package is as important as the package itself.
—Frederick W. Smith, founder of FedEx
In the previous chapter, I mentioned that Julia programs are organized around collections of functions. The functions are the verbs of your program, meaning they describe what it does. You could spend your whole Julia programming life working in the REPL or in Pluto while saving programs in files using nothing more than function, variable, and data type definitions.
But when it comes time to develop projects that build on your previous work systematically, or to allow other people to use your code in their projects, ...
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