Super! .. thanks Alex, Regards, Kashyap On Thu, Dec 5, 2019 at 9:23 AM Alexander Burger <[email protected]> wrote:
> On Thu, Dec 05, 2019 at 08:34:34AM -0800, C K Kashyap wrote: > > About the "filtering with a no-op" - that was my way of getting rid of > > NIL's in the list - what's the right way :) ? > > Ah, yes, sure! A valid solution! > > I just did not trigger on that pattern, because I use (filter prog Lst), or > sometimes (filter bool Lst) for that without further thinking. > > ((X) X) has a high overhead due to the EXPR function call. It binds and > unbinds > the X parameter, and runs the (almost empty) body between that. > > 'prog' is the ideal no-op function, as it evaluates all arguments, does > nothing else, and is a built-in and fast as such. > > ☺/ A!ex > > -- > UNSUBSCRIBE: mailto:[email protected]?subject=Unsubscribe >
