Re: elisp programming questions

[Stefan Monnier]

>> (defvar say-hi-mode-map
>>   (let ((map (make-keymap)))
>>     (define-key map [left] 'say-hi)
>>     ;;(define-key map [right] 'say-hi)
>>     map))

> DEFVAR only assigns the variable if it doesn't already have a value. So 
> when you run it the second time, it doesn't do anything because the 
> variable is already initialized.

That's right.

> Change it to:
> (defvar say-hi-mode-map (make-keymap))
> (define-key map [left] 'say-hi)
> (define-key map [right] 'say-hi)

No, this is bad style.  Instead, just use C-M-x with point within
the defvar (or use defconst).


        Stefan