Summary  
This chapter covers how to filter items from data collections by applying predicate functions or expressions to extract only those elements that meet specified criteria.

General domain of usage  
Data analysis

Master the functional programming tools and patterns available in modern C++. Learn to use lambdas, std::function, callable objects, predicates, and higher-order utilities to write expressive, reusable, and efficient code with the STL.

Explore the basics of functional programming in C++ and the building blocks for functional utilities.

Apply functional utilities with STL algorithms and predicates for expressive code.

Delve into advanced functional programming techniques and patterns in C++.

Apply functional programming tools to solve real-world problems using the STL.

Explore idiomatic patterns and best practices for functional programming in modern C++.

Filtering Data

Filtering Data