diff --git a/src/ast.rs b/src/ast.rs
index 37e0a15..b65f341 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -35,12 +35,15 @@ pub enum Expression {
 		callee: Ident,
 		args: Vec<Expression>,
 	},
-	Function {
-		name: Option<Ident>,
-		args: Vec<Ident>,
-		body: Vec<Statement>,
-		ret: Option<Box<Expression>>,
-	},
+	Function(Function),
+}
+
+#[derive(Debug, Clone, Default)]
+pub struct Function {
+	pub name: Option<Ident>,
+	pub args: Vec<Ident>,
+	pub body: Vec<Statement>,
+	pub ret: Option<Box<Expression>>,
 }
 
 #[derive(Debug, Clone, Default)]