Home >Backend Development >C++ >How Should I Use C 11's Range-Based For Loop for Observing and Modifying Container Elements?
Syntax:
The syntax for C 11's range-based for loop varies depending on the desired operation on the container elements:
Observing elements:
For just observing the elements, capture by const reference: for (const auto& elem : container)
Modifying elements:
Capture by (non-const) reference: for (auto& elem : container)
Guidelines:
Observing vs. Modifying
Observing:
Modifying:
Generic Code:
In generic code, to ensure compatibility with diverse types and containers:
Observing:
Modifying:
The above is the detailed content of How Should I Use C 11's Range-Based For Loop for Observing and Modifying Container Elements?. For more information, please follow other related articles on the PHP Chinese website!