What is async programming in Rust?

What is async programming in Rust?

Async programming in Rust allows you to write non-blocking code, enabling efficient handling of concurrent tasks.

How does the async/await syntax work in Rust?

The async/await syntax in Rust allows you to define asynchronous functions using the async fn keyword and await to pause execution until a future is ready.

Can you give me an example of an async function?

Sure! Here's a simple example:

async fn fetch_data() -> String {
    // Simulate a network request
    "data from server".to_string()
}

What libraries are commonly used for async programming in Rust?

Common libraries include tokio for async runtime and async-std for async standard library features.