Re: Smarter M-x that filters on major-mode

[Óscar Fuentes]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>>> There seems to be an assumption here that the defining info to hiding
>>> a command (or not) is the current major mode.
>> "Is minor mode xyz active" should be a common predicate, at least.
>
> Indeed.  What I meant to say is that we should focus on designing the
> general case of an arbitrary predicate first, and *then* figure out
> whether we need to add special syntax/support for common cases like
> matching a major mode or a minor mode or ...

I'm worried about performance. IIRC I've seen 20000+ commands upon M-x
invocation...