2 files changed, 4 insertions, 1 deletions
diff --git a/src/main.c b/src/main.c
index 858334b..ee2c381 100644
--- a/src/main.c
+++ b/src/main.c
@@ -134,6 +134,7 @@ int main(int argc, char **argv) {
   } else if (strcmp(argv[1], "-r") == 0 || strcmp(argv[1], "--repl") == 0) {
     printf("Welcome to the NoExcess REPL.\n");
     while (true) {
+      /* TODO: Finish REPL */
     }
   }
 
@@ -165,7 +166,6 @@ int main(int argc, char **argv) {
     parser_t *parser = init_parser(lexer);
     visitor_t *visitor = init_visitor(parser);
     ast_t *root = eval(visitor);
-    /* print_root(root); */
     ast_free(root);
     ast_free(visitor->root);
     visitor_free(visitor);
diff --git a/src/parser.c b/src/parser.c
index 5f97ef9..12b1256 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -140,6 +140,9 @@ void parse_bind(parser_t *parser) {
     parser_error(parser);
   token_t *t = parser->tokens[parser->i];
   char *name = t->value;
+  if (hash_table_get(parser->symbol_table, name) != NULL) {
+    parser_error(parser);
+  }
   parser_move(parser);
   ast_t *expr = parse_expr(parser); /* unevaluated expr will be evaluated when
                                        hash table transfers to visitor JIT */