Assert Macros

// Different assert macros

let result = add(2,2);

assert!(result == 4);
assert!(result == 4,"Expected 4; returned result is {}",result);

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let result = add(2,2);

assert_eq!(result,4);

assert_eq!(result,4,"Expected 4; returned result is {}", result);

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Similar to the previous one, checks for NOT Equalto.
assert_ne!()