[Haskell-cafe] exists . a psuedo-standard non-empty list module

[Henning Thielemann]

On Thu, 15 Feb 2007, Nicolas Frisby wrote:

> I would also appreciate references to your favorite discussion about
> uses of head and other unsafe functions or various Oleg posts showing
> how they're all unnecessary. I'll find these on my own, but I would
> also like to know which ones strike a chord with the community.

http://www.haskell.org/haskellwiki/Non-empty_list