Subject: Re: [boost] [mpl]iter_fold_if Forward Backward rationale?
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-05-18 18:19:38
David Abrahams wrote:
> on Sun Apr 05 2009, Larry Evans <cppljevans-AT-suddenlink.net> wrote:
>> Just as the ForwardPredicate is "augmented" with protection
>> against dereferencing the end<numbers>::type in this code:
>> shouldn't the BackwardPredicate also be augmented with the same
>> protection here:
> Well, it doesn't need to be; if it did, tests and uses wouldn't compile
Alas. AFAICT, there are no tests or uses for the Backward Predicate in MPL.
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