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cpp-tutorials/015-ptr-vs-ref-for-output at main · SuboptimalEng/cpp-tutorials · GitHub

Name		Name	Last commit message	Last commit date
parent directory ..
Makefile		Makefile
README.md		README.md
main.cpp		main.cpp

README.md

Ptr vs Ref for Output Params

TL;DR

Why pass-by-ptr is better than pass-by-ref for output params in C++
This is recommended by Google C++ style guide (used in industry)

Video Overview

C++ double variables and add function example
Output params - pass variable by reference
Output params - pass variable as a pointer
Which approach is better (simpler, readable, maintainable, code story)
- Prefer using return values over output params (if possible)
- Google C++ style guide recommends the pointer approach
AI vibe coding, code reviewing rant

Titles

Google C++ Style Guide: Pointers vs References for Output
C++ Pointers vs References: Which is Better for Outputs?
Google C++ Coding Standards: Why use Pointers for Out Parameters?
How to Guide AI to Write Clean C++ (Google Style Edition)
Vibe Coding C++: Why You Need the Google Style Guide
Prompting for Performance: Using Google C++ Rules in Cursor AI

int sum(int& a, int* b);

Timestamps

00:00 Intro

References

Google C++ Style Guide, Inputs and Outputs - https://google.github.io/styleguide/cppguide.html#Inputs_and_Outputs
ChatGPT and Gemini

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