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Showing content from https://cplusplus.github.io/LWG/issue451 below:

Associative erase should return an iterator

This page is a snapshot from the LWG issues list, see the Library Active Issues List for more information and the meaning of Dup status.

Section: 23.2.7 [associative.reqmts], 23.4 [associative] Status: Dup Submitter: Bill Plauger Opened: 2004-01-30 Last modified: 2016-01-28

Priority: Not Prioritized

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Duplicate of: 130

Discussion:

map/multimap/set/multiset have:

    void erase(iterator);
    void erase(iterator, iterator);

But there's no good reason why these can't return an iterator, as for vector/deque/list:

    iterator erase(iterator);
    iterator erase(iterator, iterator);

Proposed resolution:

Informally: The table of associative container requirements, and the relevant template classes, should return an iterator designating the first element beyond the erased subrange.

Rationale:

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