1 files changed, 16 insertions, 0 deletions
diff --git a/third_party/rust/uniffi-example-arithmetic/src/arithmetic.udl b/third_party/rust/uniffi-example-arithmetic/src/arithmetic.udl
new file mode 100644
index 0000000000..117df4834a
--- /dev/null
+++ b/third_party/rust/uniffi-example-arithmetic/src/arithmetic.udl
@@ -0,0 +1,16 @@
+[Error]
+enum ArithmeticError {
+  "IntegerOverflow",
+};
+
+namespace arithmetic {
+  [Throws=ArithmeticError]
+  u64 add(u64 a, u64 b);
+
+  [Throws=ArithmeticError]
+  u64 sub(u64 a, u64 b);
+
+  u64 div(u64 dividend, u64 divisor);
+
+  boolean equal(u64 a, u64 b);
+};