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23.2.3[sequence.reqmts]/5 is redundant with Table 96 #461

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cubbimew opened this issue Mar 20, 2015 · 0 comments
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23.2.3[sequence.reqmts]/5 is redundant with Table 96 #461

cubbimew opened this issue Mar 20, 2015 · 0 comments

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@cubbimew
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23.2.3[sequence.reqmts]/5 says "iterator and const_iterator types for sequence containers shall be at least of the forward iterator category", but Table 96 up in 23.2.1[container.requirements.general] already said "any iterator category that meets the forward iterator requirements" for both X::iterator and X::const_iterator, for all containers. Shouldn't it be said only once?

The redundancy was introduced in 2008, when n2776 was applied to the working draft, changing general container requirements from input iterators to forward iterators (then "ForwardIterator concept")
jensmaurer added a commit to jensmaurer/draft that referenced this issue Nov 23, 2016
@jensmaurer
[sequence.reqmts] Remove redundant 'forward iterator' requirement
eb469e7 
for sequence containers.

Any container is nowadays required to have forward iterators;
see the table entries for X::iterator and X::const_iterator in
[container.requirements.general].

Fixes cplusplus#461.
@jensmaurer jensmaurer mentioned this issue Nov 23, 2016
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tkoeppe pushed a commit that referenced this issue Nov 26, 2016
@jensmaurer @tkoeppe
[sequence.reqmts] Remove redundant 'forward iterator' requirement for…
2e8a867 
… sequence containers (#1107)

Any container is nowadays required to have forward iterators;
see the table entries for X::iterator and X::const_iterator in
[container.requirements.general].

Fixes #461.
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