Not entirely sure as auto in some instances is tricky. I believe in your example that new_value will the type int.
auto
new_value
int
It will be int&, I think: en.cppreference.com/w/cpp/language...
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Not entirely sure as
autoin some instances is tricky. I believe in your example thatnew_valuewill the typeint.It will be int&, I think: en.cppreference.com/w/cpp/language...