Assert two expressions are Err and their values are not equal.
Pseudocode: (a ⇒ Err(a1) ⇒ a1) ≠ (b ⇒ Err(b1) ⇒ b1)
use assertables::*; let a: Result<i8, i8> = Err(1); let b: Result<i8, i8> = Err(2); assert_err_ne!(a, b);
assert_err_ne
assert_err_ne_as_result
debug_assert_err_ne