rustlings/ex4.rs

15 lines
283 B
Rust
Raw Normal View History

2018-02-22 13:09:53 +07:00
// ex4.rs
2015-09-16 06:29:05 +06:00
// 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),
}
}