The Comma Computer Programming

In computer programming, the comma corresponds to Unicode and ASCII character 44, or 0x002C.

In the C programming language, “,” is an operator which evaluates its first argument (which presumably has side-effects) and then returns the value of its second argument. This is useful in “for” statements and macros. In many other computer languages (including C), commas are used to separate arguments to a function and to separate elements of a list.

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