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-rw-r--r--library/core/tests/num/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/library/core/tests/num/mod.rs b/library/core/tests/num/mod.rs
index 4fd9f721b82..12e52252278 100644
--- a/library/core/tests/num/mod.rs
+++ b/library/core/tests/num/mod.rs
@@ -66,6 +66,7 @@ where
     assert_eq!(ten.rem(two), ten % two);
 }
 
+/// Helper function for asserting number parsing returns a specific error
 fn test_parse<T>(num_str: &str, expected: Result<T, IntErrorKind>)
 where
     T: FromStr<Err = ParseIntError>,