diff --git a/src/parse.rs b/src/parse.rs
index cf03772..7e26c35 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -1,4 +1,20 @@
 // recupere les arguments passes en entree de l'appel du programme et les place dans un vecteurs de chaine
-pub fn arguments(){
-    
-}
\ No newline at end of file
+pub fn arguments(args_to_process: Vec<String>) {
+    // trouver les operateurs et separer les membres de l'expression
+    for argument in args_to_process {}
+}
+
+fn find_operator(argument: String) -> Vec<String> {
+    let mut args_with_operator = Vec::new();
+    let string = Vec::new();
+    for character in argument {
+        match character {
+            "+" => args_with_operator.push(string.to_string()),
+            "-" => args_with_operator.push(string.to_string()),
+            "*" => args_with_operator.push(string.to_string()),
+            "/" => args_with_operator.push(string.to_string()),
+            _ => string.push(character),
+        }
+    }
+    args_with_operator
+}