Tutorial by Examples

println! (and its sibling, print!) provides a convenient mechanism for producing and printing text that contains dynamic data, similar to the printf family of functions found in many other languages. Its first argument is a format string, which dictates how the other arguments should be printed as t...

// use Write trait that contains write() function use std::io::Write; fn main() { std::io::stdout().write(b"Hello, world!\n").unwrap(); } The std::io::Write trait is designed for objects which accept byte streams. In this case, a handle to standard output is acquired with ...

To write the traditional Hello World program in Rust, create a text file called hello.rs containing the following source code: fn main() { println!("Hello World!"); } This defines a new function called main, which takes no parameters and returns no data. This is where your progra...

Installing Before you can do anything using the Rust programming language, you’re going to need to acquire it—either for Windows or by using your terminal on Unix-like systems, where $ symbolizes input into the terminal: $ curl https://sh.rustup.rs -sSf | sh This will retrieve the required file...