[self.vendorID_TextField setStringValue : string ? string:@""];

x = [NSString str : path];
x = [NSString strFormat : @"Data/%s", path];
x = path[0] == '/' ? path:"abc";
x = path[0] == '/' ? [NSString str : path]:[NSString strFormat : @"Data/%s", path];

id<MTLBuffer> buf = data ? [metal::g_Device newBufferWithBytes : data length : len options : MTLResourceOptionCPUCacheModeDefault]
                        :[metal::g_Device newBufferWithLength : len options : MTLResourceOptionCPUCacheModeDefault];