or<F> abstract method
Returns an Ok of the original value if this
is an Ok, or other
otherwise.
Examples
// prints "Ok(2)"
print(const Ok<int, String>(2).or(const Ok<int, String>(3)));
// prints "Ok(3)"
print(const Err<int, String>('error').or(const Ok<int, String>(3)));
Implementation
@useResult
Result<T, F> or<F>(Result<T, F> other);