Using C++20 Ranges Effectively

This tutorial surveys C++20 ranges and their use in programming. It explains the differences between algorithms and views, examines how range concepts support the library, and uses code examples and exercises to demonstrate range features.

Syllabus

Intro
My experience with ranges
How we sort
Find if
Filter view
Key points
Things I wont do
Environments
Status
Proposal
C20 Overview
Godbolt
Ranges Basics
Range Concepts
Why not STD Ranges
Range Types
Iterators
Flatmap
Range Algorithms
Comments
Range adapters
Filter view example
Filter view adapter
Range container
Ranges and Views
Ranges and Collections
For Loops
Ranges Sections
Projection Parameters
Projection Example
Cheat Sheet
Range Examples
Sort Examples
MinMax Examples
Shift Left and Shift Right
Shift Left
Reference
Find Last
View Adapter Details
Shortcircuiting
Transform
What are we actually getting
Span
HeaderSpan
PrintReverse