function-definition

Alternative (K&R) C syntax for function declaration versus prototypes

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The question you are asking is really two questions, not one. Most replies so far tried to cover the entire thing with a generic blanket “this is K&R style” answer, while in fact only a small part of it has anything to do with what is known as K&R style (unless you see the entire … Read more

What does -> mean in Python function definitions?

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It’s a function annotation. In more detail, Python 2.x has docstrings, which allow you to attach a metadata string to various types of object. This is amazingly handy, so Python 3 extends the feature by allowing you to attach metadata to functions describing their parameters and return values. There’s no preconceived use case, but the … Read more