C++ Concepts
C++ Concepts
Validate your templates compile-time
About the Book
In this book, you are going to discover one of the flagship features of C++20, concepts.
You will learn about:
- the motivations behind concepts
- the 4 ways to use them with functions
- 3 different ways to use them with classes
- what kind of concepts are shipped with the standard library
- how to write your own concepts from scratch
- some real-life examples
About the Author
Bundles that include this book
Table of Contents
-
Introduction
- Why not a full reference with all the details?
- Why concepts and not something else? Why not a full review of C++20?
-
The concept behind C++ concepts
- The motivation behind concepts
-
4 ways to use concepts in functions
- The 4 ways to use concepts
- They are all compiled the same way
- How to choose among the 4 ways?
-
C++ concepts with classes
-
The
requiresclause - Constrained template parameters
-
The trailing
requiresclause
-
The
-
Concepts shipped with the C++ standard library
-
Concepts in the
<concepts>header -
Concepts in the
<iterator>header -
Concepts in the
<ranges>header
-
Concepts in the
-
How to write your own C++ concepts?
-
The simplest
concept - Use already defined concepts
-
!ais not the opposite ofa - Negations come with parentheses
- Subsumption and negations
- Requirements on operations
- Simple requirements on the interface
- Requirements on return types (a.k.a compound requirements)
- Type requirements
- Nested requirements
-
The simplest
-
How to use C++ concepts in real life?
- Numbers finally
- Utility functions constrained
- Multiple destructors with C++ concepts
- Summary
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