[Haskell-cafe] Pure functional GUI (was "a regressive view of support for imperativeprogramming in Haskell")

[Duncan Coutts]

On Wed, 2007-08-08 at 19:14 +0000, Peter Verswyvelen wrote:

> So could you please tell me more about the problem with pure
> functional GUIs and why this is not part of the Haskell library? I
> mean a GUI library completely written in Haskell, not wrapping a
> popular library.

Partly because just getting the drawing and interaction behaviour to be
acceptable would be many person-years of work. 

GUI toolkits are not especially simple things. Even if you could do it
in just 1/10th of the number of lines of code of Gtk+ or Qt it'd be a
massive undertaking.

Duncan