bit_set constants

src/parser.hpp

@@ -89,7 +89,8 @@ struct AstFile {
 	// <  0: In Control Clause
 	// NOTE(bill): Used to prevent type literals in control clauses
 	isize        expr_level;
-	bool         allow_range; // NOTE(bill): Ranges are only allowed in certain cases
+	bool         allow_range;   // NOTE(bill): Ranges are only allowed in certain cases
+	bool         allow_in_expr; // NOTE(bill): in expression are only allowed in certain cases
 	bool         in_foreign_block;
 	bool         allow_type;
 	isize        when_level;