opt:add constraint to the method readu32sizeanddata method (#2090)

xiaoyifang · Jan 20, 2025 · de94439 · de94439
1 parent 359c8c3
commit de94439
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/dict/utils/dictfile.hh b/src/dict/utils/dictfile.hh
@@ -11,6 +11,8 @@
 #include <string>
 #include <vector>
 #include <QMutex>
+#include <type_traits>
+#include <string>
 
 /// File utilities
 namespace File {
@@ -80,6 +82,9 @@ public:
   template< typename T >
   void readU32SizeAndData( T & container )
   {
+    static_assert( std::is_same< T, std::vector< unsigned char > >::value
+                     || std::is_same< T, std::vector< char > >::value || std::is_same< T, std::string >::value,
+                   "T must be either std::vector<char> or std::string" );
     uint32_t size = 0;
     read( &size, sizeof( uint32_t ) );
     if ( size > 0 ) {