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rustlings-exercises-completed/old_curriculum/ex4.rs
2018-04-26 21:29:11 +02:00

15 lines
283 B
Rust

// 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),
}
}