Re: FW: How to avoid compiler warning `unused lexical variable' for `dolist' or `dotimes'?

[Stefan Monnier]

>> The third arg is different from "the expression after `dotimes`" in one
>> important respect: the third arg can refer to the iteration variable
>> which will contain the "last" value:
>>     (dotimes (i 10 i) nil)
>> will return 10.
>
> In Common Lisp, at least, both dolist and dotimes let the return expression
> you specify refer to the iteration variable.  The difference is that for
> dolist the value at the end is nil; for dotimes it is the number
> of iterations.

IIRC we consciously decided to break this compatibility in `dolist`
because a variable that's always bound to nil is not useful enough to
justify the extra hassle.


        Stefan