# 1.13.0[−][src]Macro std::assert_ne

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

Asserts that two expressions are not equal to each other (using `PartialEq`).

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

Like `assert!`, this macro has a second form, 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");Run

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