docs: fix the mock macro example

1 files changed, 5 insertions, 3 deletions

diff --git a/macros/src/lib.rs b/macros/src/lib.rs
index 13037e4..8783838 100644
--- a/macros/src/lib.rs
+++ b/macros/src/lib.rs
@@ -63,9 +63,11 @@ mod util;
 /// {
 ///     let mut mock_foo = MockFoo::new();
 ///
-///     mock_foo
-///         .expect_bar()
-///         .returning(|foo, a: u32| format!("Hello {a}"));
+///     unsafe {
+///         mock_foo
+///             .expect_bar()
+///             .returning(|foo, a: u32| format!("Hello {a}"));
+///     }
 ///
 ///     assert_eq!(mock_foo.bar::<u32, String>(123), "Hello 123");
 /// }