1 files changed, 18 insertions, 0 deletions
diff --git a/rust/src/ast.rs b/rust/src/ast.rs
new file mode 100644
index 0000000..b179704
--- /dev/null
+++ b/rust/src/ast.rs
@@ -0,0 +1,18 @@
+use std::fmt::{self, Display};
+
+#[derive(Debug, PartialEq)]
+pub enum Value {
+    Num(i32),
+    Bool(bool),
+    Sym(String),
+}
+
+impl Display for Value {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Value::Num(i) => write!(f, "{}", i),
+            Value::Bool(b) => write!(f, "{}", b),
+            Value::Sym(s) => write!(f, "{}", s),
+        }
+    }
+}