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dlecan/main.rs

Last active December 10, 2016 20:54
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main.rs
use std::env;
fn calculer_division(x: i32, y: i32) -> i32 {
match y {
0 => panic!("Division par 0"),
1 => x,
_ => x / y
}
}
fn main() {
let numerateur = match env::args().nth(1) {
Some(argument) => argument,
None => panic!("Argument obligatoire manquant : le numérateur")
};
let numerateur = match numerateur.parse::<i32>() {
Ok(numerateur) => numerateur,
Err(error) => panic!("Impossible de convertir notre argument. Raison: {}", error)
};
let resultat = calculer_division(numerateur, 2);
println!("Résultat : {}", resultat);
}
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