Andrey Semashev 651a869d4f Reworked next() and prior() taking the distance arguments. ...

The new version should provide the expected behavior in the case (prior(v.end(), v.size()) == v.begin()). It should also work with integers now, as was originally intended by David Abrahams. Added tests to verify these new use cases.

2014-06-24 01:05:32 +04:00

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