solve panicking with flag é

01_phase_rust_src/sv/src/main.rs

@@ -55,9 +55,14 @@ fn main() {
                 i += 1;
             }
             else {
-                if val.len() == 2 { 
+                if val.len() >= 2 {
-                    println!("sv: illegal option -- {}", val.chars().nth(1).unwrap() );
+                    let mut j = 0;
-                    // TODO: thread NOT pannic if it is not an ASCII character.
+                    for ch in val.chars() {
+                        if j == 1 {
+                            println!("sv: illegal option -- {}", ch );
+                        }
+                        j += 1;
+                    }
                 }
                 parser::misc::usage();
                 exit(100);

01_phase_rust_src/sv/src/parser.rs

@@ -52,6 +52,7 @@ pub fn parse_args(args: Vec<String>) -> Vec<String>{
         }
     }
 
+
     return parser;
 }
 
@@ -79,12 +80,13 @@ pub fn parse_args_1(arg: &String) -> String{
     //println!("{}", ch1);
 
     if ch1 == '-' && arg.len() >= 2{
-        return (&arg[..2]).to_string()
+        let retour = &arg.chars().collect::<Vec<_>>()[..2];
+        return retour.into_iter().collect();
     } else if ch1 == '-' {
         return ch1.to_string()
     }
 
-    println!("{}",arg);
+    //println!("{}",arg);
     return "".to_string()