1 files changed, 7 insertions, 0 deletions
diff --git a/sys/nixpkgs/pkgs/lf-make-map/src/mapping/error.rs b/sys/nixpkgs/pkgs/lf-make-map/src/mapping/error.rs
new file mode 100644
index 00000000..2a59ed64
--- /dev/null
+++ b/sys/nixpkgs/pkgs/lf-make-map/src/mapping/error.rs
@@ -0,0 +1,7 @@
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum Error {
+    #[error("The node at key '{0}' already exists!")]
+    NodeExits(String),
+}