1 files changed, 3 insertions, 0 deletions
diff --git a/sfinae.l b/sfinae.l
index 5c67f3c..5857a2b 100644
--- a/sfinae.l
+++ b/sfinae.l
@@ -36,6 +36,9 @@ static int fail(const char* message)
 "commit"                return TOK_COMMIT;
 "decltype"              return TOK_DECLTYPE;
 "difference"            return TOK_DIFFERENCE;
+"sum"                   return TOK_SUM;
+"product"               return TOK_PRODUCT;
+"quotient"              return TOK_QUOTIENT;
 [<>(),;]                return yytext[0];
 '\\.'                   yylval.character = unescape(yytext[2]); return TOK_CHAR;
 '.'                     yylval.character = yytext[1]; return TOK_CHAR;