id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
2640	Legal forward iterators cannot store their referents (was: counting_iterator::reference lifetime tied to iterator)	schoedl	jeffrey.hellrung	"The iterators library needs a redesign based on the facts noted in [[#comment:2|this comment]]

The original report is below.

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Currently, counting_iterator<T>::reference is Incrementable const&. This makes reverse_iterator< counting_iterator<T> >::dereference return a reference to a temporary variable:

typename super_t::reference dereference() const { return *boost::prior(this->base()); }

The problem is that iterator::reference is expected to stay valid even if the iterator it was obtained from is dead."	Bugs	new	Boost 1.38.0	iterator	Boost 1.37.0	Problem		counting_iterator reverse_iterator	flast@…