@-bindings broken in 6.0?

[John Meacham]

yes. I use 't' as a variable rather often in this context. and
-fglasgow-exts.  that seems to be it. perhaps it should not interpret it
as the special quotation if the comprehension doesn't end with |]?
        John

On Wed, Jun 18, 2003 at 09:04:42AM +0100, Simon Peyton-Jones wrote:
> Yes, I'm afraid so.  With -fglasgow-exts Template Haskell captures
> 	[t|  ...  |]
> and
> 	[p| ... |]
> and similarly [d| and [e| 
> for quotations. I don't think I'd fully realised that this conflicts
> with list comprehensions
> 	[t|t<-ts]
> 
> (I remember reading a book when I was 10 featuring kids trying to decode
> a message that was in two parts "mac" .. and "hine".   Took me ages to
> spot "machine".)
> 
> 
> But maybe this isn't what you found?    Better syntax here would be
> welcome if anyone can think of some. 
> 
> Simon
> 
> | -----Original Message-----
> | From: glasgow-haskell-users-admin@haskell.org
> [mailto:glasgow-haskell-users-admin@haskell.org]
> | On Behalf Of John Meacham
> | Sent: 18 June 2003 03:24
> | To: glasgow-haskell-users@haskell.org
> | Subject: @-bindings broken in 6.0?
> | 
> | change in list comprehension parsing?
> | after I upgraded to ghc 6.0 there were some odd syntax errors on list
> | comprehensions which i did not get before, making sure i put spaces
> | between all symbols seems to fix them.. was something changed about
> how
> | they are parsed which breaks code that used to work? just curious.
> |         John
> | --
> |
> ------------------------------------------------------------------------
> ---
> | John Meacham - California Institute of Technology, Alum. -
> john@foo.net
> |
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John Meacham - California Institute of Technology, Alum. - john@foo.net
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