Add Local to AST

src/ast.rs

@@ -10,6 +10,10 @@ pub enum Statement {
 		callee: Ident,
 		args: Vec<Expression>,
 	},
+	Local {
+		name: Ident,
+		init: Option<Box<Expression>>,
+	},
 }
 
 #[derive(Debug, Clone)]

src/run.rs

@@ -141,6 +141,7 @@ impl Exec for Statement {
 				}
 				.eval(scope);
 			}
+			Statement::Local { .. } => todo!(),
 		}
 	}
 }