[mercury-users] Syntactic sugar for higher order types and mo des

[Fergus Henderson]

On 26-Jul-2000, Michael Day <mcda at students.cs.mu.oz.au> wrote:
> 
> > This is actually easier said than done.  The difficulty is that the
> > operator-precedence term parser doesn't know when `->' is part of an
> > if-then-else and when it is part of a mode definition, so `->' needs
> > to have the same precedence for both usages.
> 
> Since Mercury has if-then-else keywords, isn't the -> ; syntax deprecated
> and retained solely for Prolog compatibility? Will it be going away in the
> future?

The `... -> ... ; ...' syntax for if-then-else is not deprecated.
At this stage we have no plans to remove it.

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>  |  of excellence is a lethal habit"
PGP: finger fjh at 128.250.37.3        |     -- the last words of T. S. Garp.
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