diff options
| -rw-r--r-- | lib/collection.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/collection.h b/lib/collection.h index 8e9cf1a..b7d7d81 100644 --- a/lib/collection.h +++ b/lib/collection.h @@ -237,11 +237,12 @@ protected: template<typename T> requires((std::is_base_of_v<Others, T> || ...)) - [[nodiscard]] consteval static bool + [[nodiscard]] consteval static size_t idx() { size_t typeIdx = 0; - return ((typeIdx++ && std::is_base_of_v<Others, T>) || ...); + auto found = ((++typeIdx && std::is_base_of_v<Others, T>) || ...); + return typeIdx - found; } template<typename T> |