[Tutor] OT: [was] A question about None

Alan Gauld learn2program at gmail.com
Sun Aug 22 07:31:37 EDT 2021


On 22/08/2021 09:29, dn via Tutor wrote:
> back in the good?bad, old days, wasn't there (a language with) an
> if-statement that went something like:
>
> if expression is positive, or zero, or negative:
>    goto positive-branch, zero-branch, negative-branch

There are a few I can think of.

Perhaps the most obvious example today is SQL with its DECODE
function.

DECODE(Value, if1, then1,if2,then2,...,ifN,thenN,else)

It's somewhat like a case or switch statement wrapped up in a function.

> -- 
> Alan G
> Author of the Learn to Program web site
> http://www.alan-g.me.uk/
> http://www.amazon.com/author/alan_gauld
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>


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