downloadUrl function
A URL that serves the object at path, including its access token.
Implementation
Future<String> downloadUrl(String path) async {
final p = path.toNativeUtf8();
try {
return await _awaitOutcome(
(port) => fdbStorageDownloadUrl(p.cast(), port),
'downloadUrl $path',
);
} finally {
calloc.free(p);
}
}