Function assert_failed 

#[doc(hidden)] pub fn assert_failed<T, U>(
    kind: AssertKind,
    left: &T,
    right: &U,
    args: Option<Arguments<'_>>,
) -> !
where
    T: Debug + ?Sized,
    U: Debug + ?Sized,

🔬This is a nightly-only experimental API. (panic_internals)

Internal function for assert_eq! and assert_ne! macros