add variable cloning

Cargo.lock

@@ -99,7 +99,7 @@ checksum = "d3fd119d74b830634cea2a0f58bbd0d54540518a14397557951e79340abc28c0"
 
 [[package]]
 name = "granite"
-version = "1.0.0"
+version = "1.1.0"
 dependencies = [
  "clap",
 ]

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "granite"
-version = "1.0.0"
+version = "1.1.0"
 edition = "2021"
 
 [dependencies]

src/main.rs

@@ -280,6 +280,14 @@ fn execute(program: Program) {
                 println!("Missing variable on int check.");
                 exit(1);
             }
+        } else if statement.operator == "%" {
+            if vars.contains_key(&statement.arguments[0]) {
+                let value = vars.get(&statement.arguments[0]).unwrap();
+                vars.insert(statement.arguments[1].clone(), value.clone());
+            } else {
+                println!("Missing variable on clone.");
+                exit(1);
+            }
         } else if statement.operator == "$" {
             vars.remove(&statement.arguments[0]);
         }
@@ -392,6 +400,7 @@ fn operator_to_arglength(operator: char) -> Option<i32> {
         '0' => Some(1),
         '&' => Some(2),
         '$' => Some(1),
+        '%' => Some(2),
         _ => None,
     }
 }