add a debug_assert according to the comment

rust-lang · Dec 17, 2019 · cf1e28e · cf1e28e
1 parent 720578d
commit cf1e28e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/clippy_lints/src/methods/map_unwrap_or.rs b/clippy_lints/src/methods/map_unwrap_or.rs
@@ -61,6 +61,7 @@ pub(super) fn lint<'a, 'tcx>(
                 arg, suggest
             )
         } else {
+            debug_assert!(is_result);
             "called `map(f).unwrap_or(a)` on a Result value. \
              This can be done more directly by calling `map_or(a, f)` instead"
                 .to_string()