-
#include "tensorstore/util/future.h" -
friend std::ostream&
tensorstore::Future<T>::operator<<(std::ostream& os,
const Future<T>& future)
requires (std::is_void_v<T> || absl::HasAbslStringify<T>::value ||
absl::HasOstreamOperator<T>::value); Prints a string representation to
os. Do not rely on the output format which may change without notice.