[Haskell-cafe] Re: What is the meaning of tilde ("~") symbol

[Maciej Piechotka]

On Sat, 2010-02-13 at 14:03 +0100, kg wrote:
> Hi,
> 
> I'm reading the following subject :
> http://www.haskell.org/pipermail/haskell-cafe/2007-July/028227.html
> 
> In the sample code, we can see :
> 
> instance ReadAsAnyOf () ex
>      where readAsAnyOf ~() = mzero
> 
> 
> 
> And, I've search the meaning of the symbol "~", but I've found nothing 
> about this (note that's not easy to search "~" on google ...)
> 
> Could you give me a link about this, or explain me it ?
> 
> Thx in advance.

http://www.haskell.org/tutorial/patterns.html - Section lazy patterns

Regards
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 198 bytes
Desc: This is a digitally signed message part
Url : http://www.haskell.org/pipermail/haskell-cafe/attachments/20100213/b22ee794/attachment.bin