Re: Actions using symbols

[alexbuhl]

On Tuesday, September 3rd, 2024 at 5:10 AM, Heime <heimeborgia@protonmail.com> 
wrote:
 
> Sent with Proton Mail secure email.
> 
> 
> On Tuesday, September 3rd, 2024 at 1:38 AM, Manuel Giraud via Users list for 
> the GNU Emacs text editor help-gnu-emacs@gnu.org wrote:
> 
> > Heime heimeborgia@protonmail.com writes:
> > 
> > > I customarily make symbols that I can check on as conditionals
> > > 
> > > (defun myfunc (actn)
> > > (when (eq actn 'something) dothis)
> > > 
> > > Would things go wrong should I start using function names as arguments
> > 
> > No.
> > 
> > > For instance, myfunc would use a mapcar implementation when ACTN is
> > > 'mapcar and an apply-partially implementation when ACTN is 
> > > 'apply-partially
> > > 
> > > (defun myfunc (actn)
> > > (when (eq actn 'mapcar) dothis)
> > > (when (eq actn 'apply-partially) dothat)
> > 
> > This is correct code.
> > --
> > Manuel Giraud
> 
> 
> What happens when I do (let ((actn 'mapcar)) ? It is actually setting
> actn to the 'mapcar symbol. When one defines the function mapcar, does
> elisp also make the symbol 'mapcar ?
 
I should have meant this actually 

(let ((actn 'mapcar))
  (dothat actn))