[mercury-users] Named constants?

Fergus Henderson fjh at cs.mu.OZ.AU
Fri May 14 11:31:06 AEST 2004

On 13-May-2004, Peter Hawkins <peter at hawkins.emu.id.au> wrote:
> How does one create some sort of named constant in Mercury? (as one might do 
> with a #define in C).
> Should I just do this?
> :- func my_constant = int.
> my_constant = 42.


> Surely there is a more compact notation...

If you compile with `--infer-all', and the constant is only used in
one module, then the type declaration is optional.  In that case,
the named constant definition is just

	my_constant = 42.

which seems sufficiently concise to me.

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