[mercury-users] 15 problems I had learning (as much as I have...) about Mercury.

[Nicholas Nethercote]

On Tue, 13 Feb 2007, Julian Fondren wrote:

>> By the way, your examples use DCG notation to thread the IO state
>> around.  This has been considered Bad Style for a long time now;
>> state variables are the right tool for the job.  Reserve DCGs for
>> writing parsers.
>
> OK.  As even library/parser.m uses state variables instead of
> DCG notation, I'll avoid them for now.

I personally think DCG notation sucks and state variables should be used 
everywhere.

Having said that, this is your code, and I think you should use whichever 
style you like best.

Nick
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