Top Related Projects
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
The Go programming language
The Swift Programming Language
The Kotlin Programming Language.
The official repo for the design of the C# programming language
The Python programming language
Quick Overview
Rust is a systems programming language that focuses on safety, concurrency, and performance. It is designed to provide memory safety without using garbage collection, making it suitable for low-level system programming and high-performance applications.
Pros
- Memory safety without garbage collection
- Zero-cost abstractions and efficient C bindings
- Strong type system and ownership model
- Active community and growing ecosystem
Cons
- Steep learning curve, especially for developers new to systems programming
- Longer compilation times compared to some other languages
- Limited support for some platforms and architectures
- Smaller pool of experienced developers compared to more established languages
Code Examples
- Hello World
fn main() {
println!("Hello, world!");
}
This is the classic "Hello, World!" program in Rust.
- Ownership and Borrowing
fn main() {
let s1 = String::from("hello");
let len = calculate_length(&s1);
println!("The length of '{}' is {}.", s1, len);
}
fn calculate_length(s: &String) -> usize {
s.len()
}
This example demonstrates Rust's ownership and borrowing concepts, where a reference to a string is passed to a function without transferring ownership.
- Error Handling
use std::fs::File;
use std::io::ErrorKind;
fn main() {
let f = File::open("hello.txt");
let f = match f {
Ok(file) => file,
Err(error) => match error.kind() {
ErrorKind::NotFound => match File::create("hello.txt") {
Ok(fc) => fc,
Err(e) => panic!("Problem creating the file: {:?}", e),
},
other_error => panic!("Problem opening the file: {:?}", other_error),
},
};
}
This example shows Rust's error handling capabilities using Result
and pattern matching.
Getting Started
To get started with Rust:
- Install Rust by following the instructions at https://www.rust-lang.org/tools/install
- Create a new project:
cargo new hello_world
- Navigate to the project directory:
cd hello_world
- Edit
src/main.rs
with your Rust code - Build and run the project:
cargo run
For more information, consult the official Rust documentation at https://doc.rust-lang.org/book/
Competitor Comparisons
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
Pros of TypeScript
- Easier learning curve for JavaScript developers
- Seamless integration with existing JavaScript codebases
- Extensive tooling and IDE support
Cons of TypeScript
- Less performant than Rust for system-level programming
- Lacks memory safety guarantees without runtime checks
- Limited support for low-level system programming
Code Comparison
TypeScript:
function greet(name: string): string {
return `Hello, ${name}!`;
}
Rust:
fn greet(name: &str) -> String {
format!("Hello, {}!", name)
}
Summary
TypeScript excels in web development and offers a gentler learning curve for JavaScript developers. It provides strong typing and improved tooling while maintaining compatibility with existing JavaScript ecosystems. However, it falls short in performance-critical scenarios and low-level system programming compared to Rust.
Rust, on the other hand, offers superior performance, memory safety, and is better suited for system-level programming. It has a steeper learning curve but provides stronger guarantees and is more versatile across different domains of software development.
The code comparison illustrates the syntactical differences between the two languages, with TypeScript's syntax being more familiar to JavaScript developers, while Rust's syntax emphasizes its systems programming nature and ownership model.
The Go programming language
Pros of Go
- Simpler syntax and faster compilation times
- Built-in concurrency support with goroutines
- Extensive standard library and tooling
Cons of Go
- Less fine-grained control over memory management
- Limited generics support (introduced in Go 1.18, but still evolving)
- Less powerful type system compared to Rust
Code Comparison
Go:
func main() {
go func() {
fmt.Println("Hello from goroutine")
}()
fmt.Println("Hello from main")
}
Rust:
fn main() {
thread::spawn(|| {
println!("Hello from thread");
});
println!("Hello from main");
}
Key Differences
- Go uses garbage collection, while Rust employs ownership and borrowing
- Rust offers more advanced features like pattern matching and traits
- Go has a larger ecosystem and is more widely adopted in industry
- Rust provides stronger guarantees for memory safety and concurrency
- Go's simplicity makes it easier to learn and use for beginners
Both languages have their strengths and are suitable for different use cases. Go excels in building networked services and web applications, while Rust is ideal for systems programming and performance-critical applications.
The Swift Programming Language
Pros of Swift
- Easier learning curve for developers familiar with Objective-C or other C-like languages
- Seamless interoperability with existing Objective-C codebases
- Faster compilation times for small to medium-sized projects
Cons of Swift
- Limited cross-platform support compared to Rust's broader ecosystem
- Less emphasis on memory safety, relying more on Automatic Reference Counting
- Smaller community and fewer third-party libraries outside of Apple's ecosystem
Code Comparison
Swift:
let numbers = [1, 2, 3, 4, 5]
let doubled = numbers.map { $0 * 2 }
print(doubled)
Rust:
let numbers = vec![1, 2, 3, 4, 5];
let doubled: Vec<i32> = numbers.iter().map(|&x| x * 2).collect();
println!("{:?}", doubled);
Both examples demonstrate array manipulation and functional programming concepts, but Rust's syntax is more explicit about types and ownership. Swift's syntax is more concise, reflecting its focus on developer productivity.
Swift excels in iOS and macOS development, offering a smoother transition for Apple platform developers. Rust provides stronger memory safety guarantees and better performance in systems programming contexts. The choice between them often depends on the target platform and specific project requirements.
The Kotlin Programming Language.
Pros of Kotlin
- Easier learning curve and more familiar syntax for Java developers
- Excellent interoperability with Java, allowing gradual adoption in existing projects
- Strong support for multiplatform development (JVM, Android, JavaScript, Native)
Cons of Kotlin
- Slower compilation times compared to Rust
- Less emphasis on memory safety and low-level control
- Smaller ecosystem and community compared to Rust
Code Comparison
Kotlin:
fun main() {
val numbers = listOf(1, 2, 3, 4, 5)
val doubled = numbers.map { it * 2 }
println(doubled)
}
Rust:
fn main() {
let numbers = vec![1, 2, 3, 4, 5];
let doubled: Vec<i32> = numbers.iter().map(|&x| x * 2).collect();
println!("{:?}", doubled);
}
Summary
Kotlin offers a more approachable language for Java developers and excellent multiplatform support, while Rust provides superior performance, memory safety, and low-level control. Kotlin's syntax is more concise and familiar to many developers, but Rust's strict compile-time checks and ownership model offer stronger guarantees for system-level programming. Both languages have their strengths, with Kotlin excelling in Android and multiplatform development, and Rust shining in systems programming and performance-critical applications.
The official repo for the design of the C# programming language
Pros of csharplang
- More mature and widely adopted language with extensive ecosystem
- Easier learning curve for developers coming from other C-style languages
- Strong support for cross-platform development through .NET Core
Cons of csharplang
- Less emphasis on memory safety compared to Rust's ownership model
- Higher memory usage and potential for runtime errors
- Slower compilation times, especially for large projects
Code Comparison
Rust:
fn main() {
let numbers = vec![1, 2, 3, 4, 5];
let sum: i32 = numbers.iter().sum();
println!("Sum: {}", sum);
}
C#:
class Program {
static void Main() {
var numbers = new List<int> { 1, 2, 3, 4, 5 };
var sum = numbers.Sum();
Console.WriteLine($"Sum: {sum}");
}
}
Summary
While csharplang offers a more familiar syntax and extensive ecosystem, Rust provides better memory safety and performance. C# excels in cross-platform development and has a gentler learning curve, but Rust offers superior control over system resources and compile-time guarantees. The choice between the two depends on project requirements, team expertise, and performance needs.
The Python programming language
Pros of CPython
- Easier to read and understand for beginners
- Extensive standard library with "batteries included" philosophy
- Faster development time for prototyping and small to medium-sized projects
Cons of CPython
- Generally slower execution speed compared to compiled languages
- Global Interpreter Lock (GIL) limits true multi-threading capabilities
- Less memory-efficient, especially for large-scale applications
Code Comparison
CPython (Python):
def fibonacci(n):
a, b = 0, 1
for _ in range(n):
a, b = b, a + b
return a
Rust:
fn fibonacci(n: u32) -> u32 {
let (mut a, mut b) = (0, 1);
for _ in 0..n {
let temp = a;
a = b;
b += temp;
}
a
}
The Python code is more concise and readable, while the Rust code offers better performance and memory safety. Rust's static typing and ownership model provide additional safeguards against common programming errors, but require more explicit code. Python's dynamic typing allows for quicker prototyping but may lead to runtime errors that would be caught at compile-time in Rust.
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This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.
Why Rust?
-
Performance: Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrate with other languages.
-
Reliability: Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.
-
Productivity: Comprehensive documentation, a compiler committed to providing great diagnostics, and advanced tooling including package manager and build tool (Cargo), auto-formatter (rustfmt), linter (Clippy) and editor support (rust-analyzer).
Quick Start
Read "Installation" from The Book.
Installing from Source
If you really want to install from source (though this is not recommended), see INSTALL.md.
Getting Help
See https://www.rust-lang.org/community for a list of chat platforms and forums.
Contributing
See CONTRIBUTING.md.
License
Rust is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0), with portions covered by various BSD-like licenses.
See LICENSE-APACHE, LICENSE-MIT, and COPYRIGHT for details.
Trademark
The Rust Foundation owns and protects the Rust and Cargo trademarks and logos (the "Rust Trademarks").
If you want to use these names or brands, please read the media guide.
Third-party logos may be subject to third-party copyrights and trademarks. See Licenses for details.
Top Related Projects
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
The Go programming language
The Swift Programming Language
The Kotlin Programming Language.
The official repo for the design of the C# programming language
The Python programming language
Convert designs to code with AI
Introducing Visual Copilot: A new AI model to turn Figma designs to high quality code using your components.
Try Visual Copilot