Function validatron::validators::is_required
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Check that an option has a value
let x = Some(42);
assert!(is_required(&x).is_ok());
let y = None;
assert!(is_required::<i64>(&y).is_err());
Check that an option has a value
let x = Some(42);
assert!(is_required(&x).is_ok());
let y = None;
assert!(is_required::<i64>(&y).is_err());