1 files changed, 19 insertions, 0 deletions
diff --git a/tvix/nix-compat-derive-tests/tests/ui/deserialize_try_from_error_not_display.rs b/tvix/nix-compat-derive-tests/tests/ui/deserialize_try_from_error_not_display.rs
new file mode 100644
index 000000000000..7f8ad6bbfc4e
--- /dev/null
+++ b/tvix/nix-compat-derive-tests/tests/ui/deserialize_try_from_error_not_display.rs
@@ -0,0 +1,19 @@
+use nix_compat_derive::NixDeserialize;
+
+#[derive(NixDeserialize)]
+#[nix(try_from = "u64")]
+pub struct Test;
+
+impl TryFrom<u64> for Test {
+    type Error = ();
+
+    fn try_from(value: u64) -> Result<Test, Self::Error> {
+        if value == 42 {
+            Ok(Test)
+        } else {
+            Err(())
+        }
+    }
+}
+
+fn main() {}