small changes

src/variable.rs

@@ -0,0 +1,14 @@
+use crate::lexer::LexerState;
+
+#[derive(Clone, PartialEq, Debug)]
+pub enum VariableType {
+    Var,
+    Func,
+    Keyword,
+}
+
+#[derive(Clone, Debug)]
+pub struct Variable {
+    pub vtype: VariableType,
+    pub state: LexerState,
+}