UProperty which) {     if(which<UCHAR_INT_START) {         if(UCHAR_BINARY_START<=which && which<UCHAR_BINARY_LIMIT) {             const BinaryProperty &prop=binProps[which];             return prop.contains(prop, c, which);         }     } else if(which<UCHAR_INT_LIMIT) {         const IntProperty &prop=intProps[which-UCHAR_INT_START];         return prop.get