Summary  
This chapter explains how to create and compose custom higher-order functions and utilities—such as currying, partial application, and function composition—to build reusable, declarative code patterns.

General domain of usage  
Data transformation and array processing.

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++.

Custom Functional Utilities

Custom Functional Utilities