std::assert_ne

Macro std::assert_ne

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

Asserts that two expressions are not equal to each other.

On panic, this macro will print the values of the expressions with their debug representations.

Like assert!(), this macro has a second version, where a custom panic message can be provided.

Examples

let a = 3;
let b = 2;
assert_ne!(a, b);

assert_ne!(a, b, "we are testing that the values are not equal");