visit_diff

Macro assert_eq_diff

Source 
macro_rules! assert_eq_diff {
    ($left:expr, $right:expr) => { ... };
    ($left:expr, $right:expr,) => { ... };
    ($left:expr, $right:expr, $($arg:tt)+) => { ... };
}
Expand description

Replacement for the standard assert_eq! macro that prints a debug_diff between its arguments on failure.