bug#48212: [PATCH] subr-x.el: Added `while-let` and `while-let*`

[Lars Ingebrigtsen]

Hu Lucius <orctarorga@gmail.com> writes:

> I've added two functions in `subr-x`, `while-let` and `while-let*`.
>
> `(while-let SPEC BODY)` evaluate each binding in turn and stop if a
> binding value is nil.
> BODY is evaluated repeatedly until a binding value is nil.
>
> `(while-let* VARLIST BODY)` is like `while-let` except VARLIST is of
> the form ((SYMBOL SOMETHING) ...).

Thank you, but I think these macros don't really give enough
functionality to warrant adding them to Emacs -- in general, using
`cl-loop' when you have conditions like this makes more sense, since it
gives you more control over the conditions and the return values.

So I'm closing this bug report.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no