diff --git a/src/ast.rs b/src/ast.rs
index 01517bb..37e0a15 100644
--- a/src/ast.rs
+++ b/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)]
diff --git a/src/run.rs b/src/run.rs
index 3914ea4..9061275 100644
--- a/src/run.rs
+++ b/src/run.rs
@@ -141,6 +141,7 @@ impl Exec for Statement {
 				}
 				.eval(scope);
 			}
+			Statement::Local { .. } => todo!(),
 		}
 	}
 }