initial commit

src/error/mod.rs

@@ -0,0 +1,14 @@
+#[derive(Debug)]
+pub enum RushError {
+    SyntaxError(String),
+    RuntimeError(String),
+    VariableError(String),
+}
+
+impl std::fmt::Display for RushError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self)
+    }
+}
+
+impl std::error::Error for RushError {}