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The three-argument form of ranges::advance is supposed to return the difference between the second argument and the distance the iterator was advanced. When a non-random-access iterator is not advanced (because it already equals the sentinel) we were returning 0 rather than n - 0. libstdc++-v3/ChangeLog: PR libstdc++/100833 * include/bits/ranges_base.h (ranges::advance(iter, n, sentinel)): Fix return value for no-op case. * testsuite/24_iterators/range_operations/advance.cc: Test return values of three-argument overload. |
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| .. | ||
| associated_types | ||
| back_insert_iterator | ||
| bidirectional | ||
| common_iterator | ||
| contiguous | ||
| counted_iterator | ||
| customization_points | ||
| forward | ||
| front_insert_iterator | ||
| headers/iterator | ||
| indirect_callable | ||
| input | ||
| insert_iterator | ||
| istream_iterator | ||
| istreambuf_iterator | ||
| move_iterator | ||
| normal_iterator | ||
| operations | ||
| ostream_iterator | ||
| ostreambuf_iterator | ||
| output | ||
| random_access | ||
| range_access | ||
| range_operations | ||
| reverse_iterator | ||
| aliases.cc | ||
| container_access.cc | ||