Auto& in c++

    Use auto && for the ability to modify and discard values of the sequence within the loop. (That is, unless the container provides a read-only view, such as std::initializer_list, in which case it will be effectively an auto const &.)
    Use auto & to modify the values of the sequence in a meaningful way.
    Use auto const & for read-only access.
    Use auto to work with (modifiable) copies.

Similar codes

14 votes229 views4 answers
Converting to string c++
C++
0 vote227 views1 answer
How to get steam id c++
C++
0 vote220 views2 answers
C++ convert vector of digits into integer
C++
23 votes255 views2 answers
User input c++
C++
0 vote215 views2 answers
Accepting multiple values from a function in cpp
C++
0 vote215 views1 answer
Use regex replace in c++
C++
1 vote279 views1 answer
How to make a parameter optional in c++
C++
0 vote218 views5 answers
Run time calculator c++
C++
5 votes225 views2 answers
Bitwise count total set bits
C++
3 votes208 views1 answer
C++ get files in directory
C++