rustlings/exercises/ex4.rs
2018-11-09 20:31:14 +01:00

14 lines
283 B
Rust
Executable file

// ex4.rs
// Make me compile!
fn something() -> Result<i32, std::num::ParseIntError> {
let x:i32 = "3".parse();
Ok(x * 4)
}
fn main() {
match something() {
Ok(..) => println!("You win!"),
Err(e) => println!("Oh no something went wrong: {}", e),
}
}