1 files changed, 7 insertions, 0 deletions
diff --git a/src/lib/sexpr.rs b/src/lib/sexpr.rs
new file mode 100644
index 0000000..0d37332
--- /dev/null
+++ b/src/lib/sexpr.rs
@@ -0,0 +1,7 @@
+use super::types::Type;
+
+pub enum SEXP {
+    Atom(Type),
+    List(Vec<SEXP>)
+}
+