#include "tensorstore/util/result.h"
template <typename... Args>
T& tensorstore::Result<T>::emplace(Args&&... args);
template <typename U, typename... Args>
T& tensorstore::Result<T>::emplace(std::initializer_list<U> il,
                                   Args&&... args);

Reconstructs the contained value in-place with the given forwarded arguments.

Example:

Result<Foo> opt = absl::UnknownError("");
opt.emplace(arg1,arg2,arg3);  // Constructs Foo(arg1,arg2,arg3)