Re: flet vs cl-flet vs compilation-start

[John Mastro]

Stephen Leake <address@hidden> wrote:
> This is consistent with the doc strings:
>
> cl-flet says:
>
> Make local function definitions.
>
> flet says:
>
> Make temporary overriding function definitions.
>
> and goes on to say "use cl-flet".
>
> Perhaps the doc string of flet should be improved to point out that
> cl-flet does not produce _overriding_ function definitions, and suggest
> workarounds.

It's not as well known, but you can use `cl-letf' for this:

(cl-letf (((symbol-function 'erase-buffer)
           (lambda () (goto-char (point-max)))))
  (compilation-start ...))