No function matches the given name and argument types

Your function has a couple of smallint parameters. But in the call, you are using numeric literals that are presumed to be type integer. A string literal or string constant (‘123’) is not typed immediately. It remains type “unknown” until assigned or cast explicitly. However, a numeric literal or numeric constant is typed immediately. The …

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Why are “pure” functions called “pure”? [closed]

To answer your first question, mathematical functions have often been described as “pure” in terms of some specified variables. e.g.: the first term is a pure function of x and the second term is a pure function of y Because of this, I don’t think you’ll find a true “first” occurrence. For programming languages, a …

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