Re: Make format-spec accept a function as the substitution

[Stefan Monnier]

>>     (format-spec "Go to line %n in file %f %g"
>>                  `((?n . ,(λ () (read-number "Number: ")))
>>                    (?g . "now")
>>                    (?f . ,(λ () (read-file-name "File: ")))))
>
> Is there no worthwhile information to pass the lambda function?

I was talking in very general terms, not specific to `format-spec`.
You'd need someone more knowledgeable about `format-spec` to answer
your question.

> (I like the λ notation by the way, would be nice to have a (defalias 'λ
> #'lambda) in subr.el).

I use `prettify-symbols-mode` :-)


        Stefan