[m-rev.] Re: for review: try goals

[Peter Wang]

2009/2/17 Peter Wang <novalazy at gmail.com>:
> Branches: main
>
> Add support for `try' goals, syntactic sugar on top of the exception handling
> predicates in the standard library.  The syntax is documented in the reference
> manual.  Currently one of the proposed try parameters, io(!IO), is implemented,
> and the user must import the `exception' and `univ' modules explicitly.

Committed an updated version of this.

Peter
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