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Update include.hh

Signed-off-by: subcrip <contact@subc.rip>
This commit is contained in:
subcrip 2024-05-13 15:39:56 +08:00
parent ea13b6d5ea
commit acae6f3294
1 changed files with 1 additions and 1 deletions

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@ -418,7 +418,7 @@ vector<pair<T, U>> zip_n(Iterator_T a_first, Iterator_U b_first, size_t n) {
return res;
}
template <typename T>
class ArithmeticIterator {
class ArithmeticIterator : bidirectional_iterator_tag {
public:
using difference_type = ptrdiff_t;
using value_type = T;