Macro assert_hex::assert_eq_hex

macro_rules! assert_eq_hex {
    ($left:expr, $right:expr $(,)?) => { ... };
    ($left:expr, $right:expr, $($arg:tt)+) => { ... };
}

Asserts that two expressions are equal to each other

On panic, this macro will print values of the expressions in their {:#x?} (hexadecimal) representation