The C++ Programming Language, Fourth Edition

18. Operator Overloading

When I use a word it means just what I choose it to mean – neither more nor less.

– Humpty Dumpty

• Introduction

• Operator Functions

Binary and Unary Operators; Predefined Meanings for Operators; Operators and User-Defined Types; Passing Objects; Operators in Namespaces

• A Complex Number Type

Member and Nonmember Operators; Mixed-Mode Arithmetic; Conversions; Literals; Accessor Functions; Helper Functions

• Type Conversion

Conversion Operators; explicit Conversion Operators; Ambiguities

• Advice

18.1. Introduction

Every technical field – and most nontechnical fields – has developed conventional shorthand notation to make convenient the presentation and discussion involving frequently used concepts. For example, because ...