Replace operator safe_bool with explicit operator bool

boostorg · Jan 27, 2024 · af8e66d · af8e66d
1 parent f898d3a
commit af8e66d
Showing 1 changed file with 1 addition and 18 deletions.
diff --git a/include/boost/function/function_template.hpp b/include/boost/function/function_template.hpp
@@ -810,24 +810,7 @@ namespace boost {
       }
     }
 
-#if (defined __SUNPRO_CC) && (__SUNPRO_CC <= 0x530) && !(defined BOOST_NO_COMPILER_CONFIG)
-    // Sun C++ 5.3 can't handle the safe_bool idiom, so don't use it
-    operator bool () const { return !this->empty(); }
-#else
-  private:
-    struct dummy {
-      void nonnull() {}
-    };
-
-    typedef void (dummy::*safe_bool)();
-
-  public:
-    operator safe_bool () const
-      { return (this->empty())? 0 : &dummy::nonnull; }
-
-    bool operator!() const
-      { return this->empty(); }
-#endif
+    explicit operator bool () const { return !this->empty(); }
 
   private:
     void assign_to_own(const BOOST_FUNCTION_FUNCTION& f)