1 files changed, 7 insertions, 0 deletions

diff --git a/src/errors.h b/src/errors.h
index 25f9945..871711b 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -16,6 +16,13 @@ typedef enum ErrorValue {
     ERR_MALFORMED_NUMBER,
     ERR_MALFORMED_EXPR,
     ERR_UNIMPLEMENTED,
+    ERR_NOT_A_NUMBER,
+    ERR_NOT_A_SYMBOL,
+    ERR_NOT_A_STRING,
+    ERR_NOT_A_TYPE,
+    ERR_NOT_A_BOOL,
+    ERR_NOT_A_LPAREN,
+    ERR_NOT_A_RPAREN,
     ERR_OK,
 } ErrorValue;