Article by Ayman Alheraki on January 11 2026 10:35 AM
In this article, I aim to clarify the immense capabilities and power of C++ for those who may be influenced by proponents of modern, powerful languages who, at the same time, unjustifiably dismiss C++. They argue that it’s outdated, full of flaws, particularly focusing on manual memory management, memory leaks, and the potential for human error. While these issues are indeed challenges, they also represent C++’s strength, giving programmers full control and responsibility. With caution and the use of new commands, functions, and tools for memory safety and error checking, these challenges can be managed.
The sheer number of programming languages and tools built with C++ speaks volumes about its importance. Despite the noise around C++’s so-called "problems," every time a powerful new language appears, claims are made that it will replace C++. I say here that only C++ can replace C++. This is said with full respect for modern languages like Rust and Go, which have their strengths and dedicated followers. Focus on the languages you love, and leave C++ for those who appreciate and build with it. It’s not trying to compete with anyone—let it live on as your favorite languages do.
Briefly explain the versatility and power of C++ as a programming language, especially for developing system-level applications and other programming languages.
Mention the significance of building languages using C++—performance, memory control, and low-level hardware interaction.
Performance: C++ provides high performance and efficiency, making it suitable for designing fast compilers and interpreters.
Memory Management: C++ offers fine-grained memory control, which is crucial in language design, especially in languages needing efficient garbage collection or low-latency applications.
Extensive Libraries: C++ has a rich set of libraries and tools that assist in language design, making it easier to handle complex tasks.
History and Origins: Originally developed in the 1990s, Java’s early compilers and JVM implementations were written in C++.
Why C++ Was Used: C++ was chosen due to its speed and efficiency, allowing Java to execute on many platforms through the JVM.
Evolution: Modern JVMs are written in Java itself, but the legacy of C++ remains foundational.
Overview: CPython, the most widely used implementation of Python, was originally written in C, but later versions include C++ for performance-critical sections.
Role of C++: Highlights how C++ is leveraged in Python’s interpreter to optimize execution speed and manage complex functionalities.
V8 Engine: Developed by Google, V8 is a JavaScript engine used in Chrome and Node.js, fully written in C++.
SpiderMonkey: Mozilla's JavaScript engine, also built using C++.
Impact: The role of C++ in ensuring JavaScript's speed and efficiency in web applications and server-side environments.
Background: Ruby’s main interpreter (YARV - Yet Another Ruby VM) is written in C++, making it faster and more efficient.
Significance of C++ in Ruby: How C++ enabled the Ruby language to improve its performance and handle complex operations.
R Language Extensions: While the R language is implemented in C, the Rcpp package allows C++ to create high-performance libraries for R.
Use Cases: Examples of how Rcpp has sped up complex statistical and data analysis operations.
UnrealScript: Designed for the Unreal Engine, used in game development.
QuakeC: A language for scripting in the Quake game engine.
GDScript: Used in the Godot engine for game development.
Complexity: C++ is complex, and developing a language using C++ can be challenging due to its intricate memory management and syntax.
Performance vs. Development Speed: While C++ provides high performance, development can be slower due to the complexity of C++ codebases.
Recap the importance of C++ in language design, its lasting impact, and how it continues to enable innovation in programming languages.
Future outlook on languages built using C++ and evolving methodologies in the landscape of language development.