Rename parse to tokenize, add Environment.

1 files changed, 15 insertions, 0 deletions

diff --git a/src/lib/environment.rs b/src/lib/environment.rs
new file mode 100644
index 0000000..ef00e13
--- /dev/null
+++ b/src/lib/environment.rs
@@ -0,0 +1,15 @@
+use std::collections::HashMap;
+
+use super::sexpr::SExpr;
+
+pub struct Environment {
+    env: HashMap<String, SExpr>
+}
+
+impl Environment {
+    pub fn new() -> Environment {
+        Environment {
+            env: HashMap::new()
+        }
+    }
+}