parser : guarde contre un unwrap interdit dans parse_quote

src/parser.rs

@@ -3,12 +3,15 @@ use crate::command::command_sequence::CommandSequence;
 
 fn parse_quote(characters: &mut Vec<char>) -> String {
     let mut quoted = String::default();
+
+    if !characters.is_empty() {
         let mut current_char = characters.pop().unwrap();
 
         while !characters.is_empty() && current_char != '\'' {
             quoted.push(current_char);
             current_char = characters.pop().unwrap();
         }
+    }
 
     quoted
 }