[mercury-users] A subtlety about DCG variable threading

[Fergus Henderson]

On 26-Apr-2001, Terrence Brannon <princepawn at earthlink.net> wrote:
> It was my understanding that the only terms in a clause which would
> not receive DCG threading were those that were escaped with { }.

The only _goals_, yes.

> Thus in run/3 below, I am confused as to why process/3 is not
> process/5

Your confusion seems to be based on a false assumption --
the call to `process' there is indeed a call to process/5.

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "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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