Re: Lua on Reddit again

[Alexander Gladysh <agladysh@...>]

On Mon, Jan 31, 2011 at 17:07, Peter Cawley <lua@corsix.org> wrote:
> On Mon, Jan 31, 2011 at 1:45 PM, Alexander Gladysh <agladysh@gmail.com> wrote:
>> On Mon, Jan 31, 2011 at 16:26, Peter Cawley <lua@corsix.org> wrote:
>>> On Mon, Jan 31, 2011 at 1:10 PM, Steve Litt <slitt@troubleshooters.com> wrote:

>>>> Speaking about what might replace it -- could something with callback
>>>> functions replace it? They're powerful as all getout, but until now appeared
>>>> to be the sole territory of toolmakers, with application programmers simply
>>>> writing and passing small callbacks. Could that be because in other languages,
>>>> callbacks are just too syntactically difficult?

>>> node.js has had a lot of publicity recently, and its modus operandi is
>>> to have callbacks everywhere as to avoid blocking.

>> Side note: You ought to use coroutines in Lua for this.

> That was my first thought too, but doing so in the naive way means
> that while waiting for a I/O event to complete, you need to remember
> the entire coroutine including all of its stack, which is a lot more
> expensive than remembering a single closure.

Isn't that a premature optimization? :-)

I gladly pay this expense for the ease of the implementation. :-)

Alexander.