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Quality C++
What is Quality C++?
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Guidelines
Avoid creation of objects that are not in a usable state
Avoid just-in-case programming
Avoid storing std::span as class members
Be familiar with the C++ Core Guidelines
Design code toward library quality
Do not confuse abstraction with obfuscation
Do not confuse simple with unfamiliar
Do not return const values
Choose parameter and return types to communicate intent about optionality directly.
Extract conditions into descriptive functions
Extract variables to improve readability
Improve testability by extracting hard to test code
Make code read like pseudocode
Make error messages actionable
Make intentional design decisions
Prefer callables over inheritance for simple behavioral patterns
Prefer looser coupling over tighter coupling
Prefer returning by value over returning by const reference for value objects
Prefer std::optional over std::unique_ptr for optional values
Prefer value semantics over reference semantics
Strict by default, relax when justified
Take warnings seriously
Understand const semantics with std::span
Understand function parameter semantics
Understand lifetime extension limits for references
Use `auto` for type inference
Use const correctness to improve code safety and clarity
Use Named Predicates to improve readability when using algorithms
Use small and isolated experiments to resolve uncertainties
Use Static Analysis to guard correctness and consistency
Use Type Aliases to improve readability
Write code that reads like the problem that it solves
Write Reasonable Code
Code Walkthroughs
Refactoring Raw For-Loop C++ to Modern Standards
Insights
Abstraction is fundamental to scalability
Analogies
Analogies
The Barbershop: Cleaning as Part of the Craft
The Kitchen Analogy
Break Galtons Wall with TDD
On TigerStyle
Programmers are users too
Refocusing The Code Review
Simplicity is invisible
Software Quality
You don't refactor enough
Language Concepts
Forwarding References
Object Initialization
Reference Semantics
std::span
unique_ptr
Value Semantics
Design Patterns
Command Pattern
Command vs Strategy
Strategy Pattern
Visitor Pattern
References
Books
C++ Software Design
Clean Code
Design Patterns: Elements of Reusable Object-Oriented Software
Domain Specific Languages
Effective Modern C++
Functional Programming in C++
Grokking Simplicity
Learn C++ By Example
Modern Software Engineering
Test Driven Development: By Example
Passing Smart Pointers Reference Sheet
People
Dave Farley
Eric Normand
Erich Gamma
Frances Buontempo
Ivan Čukić
Jimmy Hoffa
Kent Beck
Klaus Iglberger
Lukas Atkinson
Martin Fowler
Scott Meyers
Sean Parent
Tony Van Eerd
Quotes
Coupling is one of the most important ideas
Dependency is the key problem in software development at all scales
Do not confuse simple with unfamiliar
If I see that my tests are threatening to hinder refactoring
Knowledge is of two kinds
Local Reasoning Sean Parent
No work is less than some work
Reasonable Code is what you get when
Refactoring is what you should be doing all day
Software design is the art of managing inter-dependencies between software components.
The goal of software architecture Uncle Bob
We write acceptance tests to make the customer feel confident
Without feedback there is no opportunity to learn
Write code as if it were going to be part of a library
Who Needs An Architect (Fowler)
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Ivan Čukić
Books
Section titled “Books”