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-rw-r--r--rust/kernel/lib.rs1
-rw-r--r--rust/kernel/types.rs12
2 files changed, 13 insertions, 0 deletions
diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs
index a3abc110ff97..53040fa9e897 100644
--- a/rust/kernel/lib.rs
+++ b/rust/kernel/lib.rs
@@ -31,6 +31,7 @@ mod static_assert;
#[doc(hidden)]
pub mod std_vendor;
pub mod str;
+pub mod types;
#[doc(hidden)]
pub use bindings;
diff --git a/rust/kernel/types.rs b/rust/kernel/types.rs
new file mode 100644
index 000000000000..3b0c44769708
--- /dev/null
+++ b/rust/kernel/types.rs
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+
+//! Kernel types.
+
+/// A sum type that always holds either a value of type `L` or `R`.
+pub enum Either<L, R> {
+ /// Constructs an instance of [`Either`] containing a value of type `L`.
+ Left(L),
+
+ /// Constructs an instance of [`Either`] containing a value of type `R`.
+ Right(R),
+}