On Tue, 2009-12-01 at 02:39 +0000, Malcolm Wallace wrote:
> > f1 x = x + case () of
> > () -> x
> > where x = 5
>
> To be honest, it goes slightly against my intuition that the pattern-
> match against () is accepted by the layout rule at all, because it is
> indented further to the left than the case itself. Landin's original
> rule was something like "everything strictly to the right and below"
> belongs to the syntactic construct. This example breaks that principle.
and it would mean throwing out code like:
f x = case g x of
Case1 -> ...
Case2 -> ...
which is a common pattern. You then have to use:
f x =
case g x of
Case1 -> ...
Case2 -> ...
and my terminal is only 80 columns wide. I need those extra two
columns! :-)
Duncan
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