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    I don't know C, but isn't the comma operator used to separate (or actually rather combine) expressions not statements? Commented Mar 30, 2018 at 22:06
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    Isn't that then a statement expression, which is an expression and not a statement? Uh. That makes my head hurt. C is weird. But like I said: I don't know C. (Not to be confused with an expression statement, which is a statement and not an expression, and totally different from a statement expression, which is an expression and not a statement.) Commented Mar 30, 2018 at 22:19
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    This is a duplicate question: stackoverflow.com/questions/2087026/… Commented Mar 30, 2018 at 22:22
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    This is one of those cases where a little self-discipline goes a long way. Just because you can do a thing, doesn't mean that you should do that thing. Commented Mar 30, 2018 at 22:46
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    its an odd question, but the answer is pretty interesting and gives insight into language design Commented Mar 31, 2018 at 9:04