diff options
| -rw-r--r-- | library/core/src/panicking.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/library/core/src/panicking.rs b/library/core/src/panicking.rs index 7a575a88e52..d4afe0f5326 100644 --- a/library/core/src/panicking.rs +++ b/library/core/src/panicking.rs @@ -190,11 +190,11 @@ pub fn assert_matches_failed<T: fmt::Debug + ?Sized>( right: &str, args: Option<fmt::Arguments<'_>>, ) -> ! { - // Use the Display implementation to display the pattern. + // The pattern is a string so it can be displayed directly. struct Pattern<'a>(&'a str); impl fmt::Debug for Pattern<'_> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - fmt::Display::fmt(self.0, f) + f.write_str(self.0) } } assert_failed_inner(AssertKind::Match, &left, &Pattern(right), args); |