bool: avoid implicit casts to bool in tribool

2022-06-13 15:37:24 +10:00 · 2022-06-13 15:37:24 +10:00 · 680e67eb77
parent 2c304f2c0b
commit 680e67eb77
1 changed files with 5 additions and 0 deletions
--- a/bool.hpp
+++ b/bool.hpp
@ -35,6 +35,11 @@ namespace cruft {
            : tribool (nullptr)
        { ; }

+        // Try to avoid implicit casts to bool in the constructor.
+        template <typename ValueT>
+        constexpr tribool (ValueT&&) = delete;
+
+
        /// Return true if the object contains a concrete value
        constexpr bool has (void) const
        {