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

3 votes122 views6 answers
C++ loop
C++
75 votes172 views6 answers
Conda list envs
C++
1 vote120 views1 answer
Esp32 restart from code
C++
1 vote130 views1 answer
Uri online judge 3145 solution in c++
C++
6 votes137 views4 answers
C++ char to uppercase
C++
0 vote133 views1 answer
Hamming c++
C++
3 votes132 views2 answers
Cpp map insert
C++
1 vote136 views1 answer
Select one random element of a vector in c++
C++
0 vote132 views1 answer
Count spaces in string java
C++
2 votes143 views1 answer
C++ read console input
C++