Version française
Home     About     Download     Resources     Contact us    
Browse thread
state pattern...
[ Home ] [ Index: by date | by threads ]
[ Search: ]

[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
Date: -- (:)
From: Michael Wohlwend <micha-1@f...>
Subject: Re: [Caml-list] state pattern...
On Monday 27 June 2005 00:13, james woodyatt wrote:
> I tend to work in the functional style first, then transfer what I've
> done into imperative style if there is a performance gain to be had by
> it.  Here's what I would do to make something like what you want:

really very helpful, your code snippet.

>
> You get into a problem pretty quickly if the state class needs to be
> aware of the full type of the context in order to compute the next
> state.  What that really means is that the context *is* the state, and
> you need to rethink how the pattern is supposed to be applied to your
> design.

that's why in my code the function which does the work of the state and sets 
the new one gets the context as a parameter, but I didn't get this right.
I know that the pattern has it's limitations...

thanks
 Michael