3

Exploring Functions

Functions are a fundamental concept in programming; regardless of the topic we discuss, we end up writing functions. Trying to cover functions in a single chapter is not only hard but also not very rational. Being a fundamental element of the language, functions are encountered in every recipe of this book. This chapter, however, covers modern language features related to functions and callable objects, with a focus on lambda expressions, concepts from functional languages such as higher-order functions, and type-safe functions with a variable number of arguments.

The recipes included in this chapter are as follows:

  • Defaulted and deleted functions
  • Using lambdas with standard algorithms
  • Using generic and template lambdas ...

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