Re: [Proposal] Implementing XMLForm with Flow

[Christopher Oliver]

Hi Ivelin,

Ivelin Ivanov wrote:

I have nothing new to add, but would like to balance the discussion
with a reminder:

----- Original Message -----
From: "Ovidiu Predescu" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, December 07, 2002 10:52 PM
Subject: Re: [Proposal] Implementing XMLForm with Flow

<snip>

Which shows exactly why continuations provide such a simple way of
programming complex applications!

Until now, it has shown to me a simple way to program simple applications.

Well, actually I think the more complex the control flow the more the flow layer will really shine. Consider the login example, where you could need to login at any point during the application. With the flow layer you simply write a function login(), and call it from any place during your application. After completion of the login sequence, you are automatically returned to the calling page. Something like this (although still a simple example) is extremely difficult to implement with state-machine code. Other complex control flow constructs (conditional branching, loops, etc) are straightforward with the flow layer but virtually impossible to comprehend with state-machine like code.

Regards,

Chris


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