diff --git a/src/value.rs b/src/value.rs
index 66c6572..0d785aa 100644
--- a/src/value.rs
+++ b/src/value.rs
@@ -13,17 +13,24 @@ pub enum Value<'a> {
     Vector(Vec<Self>),
     Map(BTreeMap<Self, Self>),
     Module(Module<'a>),
+    Function(Function),
     Symbol(Symbol<'a>),
     Keyword(Cow<'a, str>),
-    Function {
-        // TODO: Fields,
-    },
     Bool(bool),
     Number(OrderedFloat<f64>),
     String(Cow<'a, str>),
     Nil,
 }
 
+#[derive(Debug, Clone, Hash, PartialEq, Eq, PartialOrd, Ord)]
+pub struct Module<'a> {
+    members: BTreeMap<u64, Value<'a>>,
+    symbol_table: BTreeMap<String, u64>,
+}
+
+#[derive(Debug, Clone, Hash, PartialEq, Eq, PartialOrd, Ord)]
+pub struct Function {}
+
 #[derive(Debug, Clone, Hash, PartialEq, Eq, PartialOrd, Ord)]
 pub enum Symbol<'a> {
     Interned(u64),
@@ -45,12 +52,6 @@ impl<'a> Display for Symbol<'a> {
     }
 }
 
-#[derive(Debug, Clone, Hash, PartialEq, Eq, PartialOrd, Ord)]
-pub struct Module<'a> {
-    members: BTreeMap<u64, Value<'a>>,
-    symbol_table: BTreeMap<String, u64>,
-}
-
 impl<'a> Display for Value<'a> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {