Re: [Haskell-beginners] Haskell for POS (business) apps

Hi David, On Lunes 13 Septiembre 2010 10:54:15 usted escribió:

2010/9/12 :

...

For the moment, We are developing a POS system. The first prototype is beeing developed under Windev(1), but, I would like to move to opensource

I have developped a POS system under Windev. Developping in Haskell for this project was unfortunately not an option for me; however maybe

Why wasn't an option? What problems did you found?

I can help you with a few answers :

- There are libraries for database access, for example HDBC or Takusen. I have used HDBC-mysql with no problems so far

- We accessed a serial display, a ticket printer and a cash drawer using OPOS drivers which are unfortunately a Windows only thing. I don't think there's an OPOS binding for Haskell, so you're left with two options: * develop such a binding yourself, * find a way to access the devices directly.

- There's no problem to code web services in Haskell. There's many networking libraries, web frameworks, etc.

I will take a look...

- Windev has many shortcomings especially compared to Haskell, but one thing it's good at, is quickly doing user interfaces. In Haskell, the UI will IMHO require more work in Haskell. That being said, I've never designed large UIs in Haskell, so maybe with experience it

Well, I like a lot Windev, Is very fast to get something usable and prototype, but: 1.- It forces me to develop from Windows. 2.- Is not fully cross-platform 3.- Bugfixes and improvements comes with new licenses (more money) I need develop and deploy from/to Windows-Linux-Mac, and if possible, Android- Windows Mobile..