Bartłomiej Filipek • 5/3/2026

15 Different Ways to Filter Containers in Modern C++

This article provides a comprehensive overview of 15 different methods to implement a filter function in C++, which copies elements from a container that satisfy a predicate into a new container. It covers techniques ranging from raw loops and std::copy_if to modern C++ features including C++11, C++17, C++20, and C++23. The article is aimed at C++ developers looking to understand various standard library algorithms, range-based approaches, and best practices for container filtering. It includes code examples and discusses performance and readability trade-offs.

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#algorithms #Filtering #Stl