Re: Constructed docstrings for closures

[David Kastrup]

Stefan Monnier <address@hidden> writes:

> When converting backquoted lambdas to closures, I've often bumped into
> the following problem:
>
>    `(lambda (foo bar)
>       ,(concat "Toto is very " blabla ".")
>       (code using foo and bar (and ',blabla as well)))
>
> So code-wise, this can be replaced by a closure just fine, but doc-wise
> we don't have a way to construct a different docstring for
> every closure.
>
> I'd like to lift this restriction by offering a new feature that lets us
> do something like:
>
>    (lambda (foo bar)
>      <something-magical-here>
>      (code using foo and bar (and blabla as well)))
>
> and get the closure we want with the docstring we want.
>
> Does anyone have an idea of what the <something-magical-here>
> could/should be?

Doing it the other way round seems much cleaner:

(with-doc-string
  (concat "Toto is very " blabla ".")
  (lambda (foo bar)
    (code using foo and bar (and blabla as well))))


-- 
David Kastrup