C++ Best Practices for Developers

Introduction

• Write better C++ code
• What you should know

1. What Is Modern C++?

• New C++ features
• Old code compatibility
• File naming conventions

2. Tools That Improve Your Code

• Turning on modern C++
• Let the compiler help
• Static analyzers
• Cppcheck
• Challenge: Finding issues with Cppcheck
• Solution: Finding issues with Cppcheck

3. Using the New Features Correctly

• Auto type deduction and initialization
• Range-based for loops
• Strongly typed enums
• Using lambdas
• The magic of variadic template functions
• Challenge: Writing an integer sum method
• Solution: Writing an integer sum method

4. Don't Reinvent the Wheel

• How C++ and the STL name things
• Map, filter, and reduce
• Be careful with string_view
• size_t and auto
• The filesystem library
• Challenge: Writing strings to a file
• Solution: Writing strings to a file

5. Managing Objects

• Which pointer when?
• The rules of zero and three
• const is your friend
• Resource Acquisition Is Initialization (RAII)
• Challenge: RAII
• Solution: RAII

Conclusion

• Next steps