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-rw-r--r--rust/pin-init/examples/error.rs27
1 files changed, 27 insertions, 0 deletions
diff --git a/rust/pin-init/examples/error.rs b/rust/pin-init/examples/error.rs
new file mode 100644
index 000000000000..e0cc258746ce
--- /dev/null
+++ b/rust/pin-init/examples/error.rs
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+#![cfg_attr(feature = "alloc", feature(allocator_api))]
+
+use core::convert::Infallible;
+
+#[cfg(feature = "alloc")]
+use std::alloc::AllocError;
+
+#[derive(Debug)]
+pub struct Error;
+
+impl From<Infallible> for Error {
+ fn from(e: Infallible) -> Self {
+ match e {}
+ }
+}
+
+#[cfg(feature = "alloc")]
+impl From<AllocError> for Error {
+ fn from(_: AllocError) -> Self {
+ Self
+ }
+}
+
+#[allow(dead_code)]
+fn main() {}