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2025-07-18 19:05:41 +03:00
parent e7c2826b5c
commit 464c262e08
12 changed files with 419 additions and 104 deletions
--- a/cxx/mcc_traits.h
+++ b/cxx/mcc_traits.h
@@ -164,8 +164,9 @@ concept mcc_nonconst_lvref = std::is_lvalue_reference_v<T> && !std::is_const_v<s


 template <typename T>
-concept mcc_error_c = std::convertible_to<T, bool>;
-// concept mcc_error_c = std::convertible_to<T, bool> && mcc_formattable<T>;
+concept mcc_error_c = std::convertible_to<T, bool> || requires(const T t) {
+    { t.operator bool() };
+};

 namespace details
 {