This is the source code of the traditional Hello World program.
// This is a comment, and will be ignored by the compiler
// You can test this code by clicking the "Run" button over there ->
// or if prefer to use your keyboard, you can use the "Ctrl + Enter" shortcut
// This code is editable, feel free to hack it!
// You can always return to the original code by clicking the "Reset" button ->
// This is the main function
fn main() {
// The statements here will be executed when the compiled binary is called
// Print text to the console
println!("Hello World!");
}
println! is a macro (we'll cover them later) that prints text to the
console.
A binary can be generated using the Rust compiler: rustc.
$ rustc hello.rs
rustc will produce a hello binary that can be executed.