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

Ralph Becket rafe at csse.unimelb.edu.au
Tue Feb 13 09:52:46 AEDT 2007

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.
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