Macro assure::assure_ne

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

Assure two values are not equal.

If true, then return Ok(true).

Otherwise, return Err(…).

This macro has a second form, where a custom message can be provided.

Examples

assure_ne!(1, 2);
assure_ne!(1, 2, "message");