[GHC] #4370: Bring back monad comprehensions

[Ian Lynagh]

On Fri, Jan 07, 2011 at 12:42:58PM -0000, GHC wrote:
> 
>  context as we a) don't need (>>) anymore since we're already at the last
>  statements

Wow, I hadn't realised RebindableSyntax lets you rebind (>>) etc in the
middle of a do block.


Thanks
Ian