[#absl-StatusOr-2constructor-0a]
= xref:absl.adoc[absl]::xref:absl/StatusOr.adoc[StatusOr]::StatusOr
:relfileprefix: ../../
:mrdocs:

Constructs a new `StatusOr` with an unknown status.

== Synopsis

Declared in `<absl/status/statusor.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
StatusOr();
----

== Description

Constructs a new `absl::StatusOr` with an `absl::StatusCode::kUnknown` status. This constructor is marked 'explicit' to prevent usages in return values such as 'return {};', under the misconception that `absl::StatusOr<std::vector<int>>` will be initialized with an empty vector, instead of an `absl::StatusCode::kUnknown` error code.


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