cplusplus-primer-5ed-notes/part_i/chap06_functions.md

Chapter 6. Functions

6.1 Function Basics

6.2 Argument Passing

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6.2.1 Passing Arguments by Value

6.2.2 Passing Arguments by Reference

6.2.3 const Parameters and Arguments

6.2.4 Array Parameters

6.2.5 main: Handling Command-Line Options

6.2.6 Functions with Varying Parameters

6.3 Return Types and the return Statement

6.4 Overloaded Functions

6.5 Features for Specialized Uses

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6.5.1 Default Arguments

6.5.2 Inline and constexpr Functions

6.5.3 Aids for Debugging

6.6 Function Matching

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Determining the Candidate and Viable Functions

Finding the Best Match, If Any

Function Matching with Multiple Parameters

6.6.1 Argument Type Conversions

6.7 Pointers to Functions

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Using Function Pointers

Pointers to Overloaded Functions

Function Pointer Parameters

Returning a Pointer to Function

Use auto or decltype for Function Pointer Types