On Wed, 2007-10-10 at 11:08 +0100, Hugo Ferreira wrote:
> Hello,

> 
> Apologies for being so obtuse but I cannot to see how this solves my
> problem. 

> let exp = a |> b |> c
> 
> a: requires the input of a state and outputs an event
> b: requires input of a state and the event generated at that state and
> outputs processed data
> c: consumes n number elements of processed data and stops when it
> requires no more such data

> Note that "c" will "pull in" for example 10 states and check for
> termination, "b" will therefore need "pull in" 10 events. 

Functions cannot do that. You have to control invert.

A function is a slave, it is *called* with its argument.
you cant *read* the arguments.


-- 
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net