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

-1 vote118 views1 answer
You don't have an extension for debugging yaml flutter
C++
36 votes133 views3 answers
How to type hello world in c++
C++
-1 vote106 views1 answer
Program to check smallest num in three numbers in c++
C++
2 votes109 views2 answers
Tolower funciton in cpp
C++
0 vote119 views1 answer
Return array of string in function c++
C++
0 vote110 views6 answers
Template c++
C++
0 vote110 views1 answer
Intlen in c++
C++
0 vote113 views1 answer
Qt graphics scene map cursor position
C++
0 vote135 views1 answer
How to use power in c++
C++
12 votes115 views2 answers
Copy constructor c++ syntax
C++