Re: About the `:variable' keyword in `define-minor-mode'

[Stefan Monnier]

> In the docstring of `define-minor-mode':
>   [...]
>   :variable PLACE [...]
>                 PLACE can also be of the form (GET . SET), where GET is
>                 an expression that returns the current state, and SET
>                 is a function that takes one argument, the new state,
>                 and sets it.

> I don't understand the meaning of GET.  The docstring says it returns
> the current state, but where will it return?

It will return it to the context?

The following expression:

     (+ 1 2)

is an expression that returns 3, and we don't care where it returns
it, really.
Does this explanation help?


        Stefan