[Haskell-beginners] Re: Offside rule for function arguments?
voldermort at hotmail.com
Mon Aug 23 05:46:32 EDT 2010
The indentation on the second line would generate a parse error, the same as it does now.
On 23/08/2010 12:32, Jonas Almström Duregård wrote:
> Maybe because of this:
> function 0 = 0 where
> fun 1 = 1
> 2 = 2
> The last declaration (2=2) can define either fun or function. I'm not saying this is a major problem, but there may be
> other problems like these.
> On 23 August 2010 11:15, Brent Yorgey <byorgey at seas.upenn.edu <mailto:byorgey at seas.upenn.edu>> wrote:
> > On Mon, Aug 23, 2010 at 09:33:13AM +0300, John Smith wrote:
> >> Why doesn't Haskell allow something like this?
> >> fac 0 = 0
> >> 1 = 1
> >> x = x * fac (x-1)
> >> This would be clearer than repeating the function name each time,
> >> and follow the same pattern as guards and case.
> > Good question. I don't know of any particular reason.
> > -Brent
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