Use static_assert in sp_assert_convertible

pdimov · pdimov · commit aa1a9ef2d71b · 2024-09-25T20:15:31.000+03:00
diff --git a/include/boost/smart_ptr/shared_ptr.hpp b/include/boost/smart_ptr/shared_ptr.hpp
@@ -195,9 +195,7 @@ inline void sp_enable_shared_from_this( ... )
 
 template< class Y, class T > inline void sp_assert_convertible() BOOST_SP_NOEXCEPT
 {
-    // static_assert( sp_convertible< Y, T >::value );
-    typedef char tmp[ sp_convertible< Y, T >::value? 1: -1 ];
-    (void)sizeof( tmp );
+    static_assert( sp_convertible< Y, T >::value, "incompatible pointer type" );
 }
 
 // pointer constructor helper

Original file line number	Diff line number	Diff line change
`@@ -195,9 +195,7 @@ inline void sp_enable_shared_from_this( ... )`
`195`	`195`
`196`	`196`	`template< class Y, class T > inline void sp_assert_convertible() BOOST_SP_NOEXCEPT`
`197`	`197`	`{`
`198`		`- // static_assert( sp_convertible< Y, T >::value );`
`199`		`- typedef char tmp[ sp_convertible< Y, T >::value? 1: -1 ];`
`200`		`- (void)sizeof( tmp );`
	`198`	`+ static_assert( sp_convertible< Y, T >::value, "incompatible pointer type" );`
`201`	`199`	`}`
`202`	`200`
`203`	`201`	`// pointer constructor helper`