String Manipulation - Rust Typing CST Test
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String Manipulation — Rust Code
Demonstrates basic string operations and slicing.
fn main() {
let mut s = String::from("Hello");
s.push_str(", World!");
println!("{}", s);
let slice = &s[0..5];
println!("Slice: {}", slice);
}Rust Language Guide
A modern, memory-safe, high-performance systems programming language focused on safety, concurrency, and zero-cost abstractions, designed to replace C/C++ in critical software.
Primary Use Cases
- ▸Systems programming
- ▸WebAssembly applications
- ▸Cloud-native backends
- ▸Blockchain and cryptographic systems
- ▸Embedded systems
- ▸Game engines
- ▸High-performance CLI tools
Notable Features
- ▸Memory safety without garbage collection
- ▸Ownership and borrowing system
- ▸Zero-cost abstractions
- ▸Powerful package manager (Cargo)
- ▸Pattern matching and algebraic data types
- ▸Fearless concurrency
Origin & Creator
Created by Graydon Hoare at Mozilla Research, first public release in 2010, and stable 1.0 released in 2015. Originated as a personal project, later backed by Mozilla. Evolved through Rust 2015, 2018, and 2021 editions, adding async/await, improved ergonomics, better tooling, Cargo, and a richer standard library.
Industrial Note
Highly adopted in cloud infrastructure, operating system components, cryptography, blockchain systems, safety-critical systems, and WebAssembly. Used by Microsoft, Amazon, Google, Cloudflare, and Meta for secure and high-performance services.