RustEn8Etapes/etape5/ex5_5.rs

/* Copyright (C) 2011-2023  Patrick H. E. Foubet - E2L Ivry
Ecole du Logiciel Libre : https://e2li.org/

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or any
later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>
*******************************************************************/

fn main() {
let s =String::from("Il fait beau") ; // s est propriétaire 
							   // de "Il fait beau".
let n=cal( s ) ; // Attention ! s perdra sa propriété 
			  // après avoir été utilisé

println ! ("Contenu de s : {}", s ) ; // s n'est plus disponible
println ! ("La longueur de la chaîne est : {}",n) ;

}

fn cal(s : String) -> usize {
   s.len() // obtient la longueur de la chaîne de caractères
}