rustlings/old_curriculum/ex4.rs

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2018-02-22 06:09:53 +00:00
// ex4.rs
2015-09-16 01:29:05 +01:00
// 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),
}
}