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use malachite_base::num::basic::traits::One;
use malachite_nz::natural::Natural;
use Rational;
impl From<Natural> for Rational {
/// Converts a [`Natural`](malachite_nz::natural::Natural) to a [`Rational`], taking the
/// [`Natural`](malachite_nz::natural::Natural) by value.
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// ```
/// extern crate malachite_nz;
///
/// use malachite_nz::natural::Natural;
/// use malachite_q::Rational;
///
/// assert_eq!(Rational::from(Natural::from(123u32)), 123);
/// ```
fn from(value: Natural) -> Rational {
Rational {
sign: true,
numerator: value,
denominator: Natural::ONE,
}
}
}
impl<'a> From<&'a Natural> for Rational {
/// Converts a [`Natural`](malachite_nz::natural::Natural) to a [`Rational`], taking the
/// [`Natural`](malachite_nz::natural::Natural) by reference.
///
/// # Worst-case complexity
/// $T(n) = O(n)$
///
/// $M(n) = O(n)$
///
/// where $T$ is time, $M$ is additional memory, and $n$ is `value.significant_bits()`.
///
/// # Examples
/// ```
/// extern crate malachite_nz;
///
/// use malachite_nz::natural::Natural;
/// use malachite_q::Rational;
///
/// assert_eq!(Rational::from(&Natural::from(123u32)), 123);
/// ```
fn from(value: &'a Natural) -> Rational {
Rational {
sign: true,
numerator: value.clone(),
denominator: Natural::ONE,
}
}
}