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// Copyright © 2026 Mikhail Hogrefe
//
// This file is part of Malachite.
//
// Malachite is free software: you can redistribute it and/or modify it under the terms of the GNU
// Lesser General Public License (LGPL) as published by the Free Software Foundation; either version
// 3 of the License, or (at your option) any later version. See <https://www.gnu.org/licenses/>.
/// Implementations of traits for converting a
/// [`NaturalVector`](crate::natural_vector::NaturalVector) to an
/// [`IntegerVector`](super::IntegerVector).
/// Implementations of traits for converting an
/// [`UnsignedVector`](malachite_base::unsigned_vector::UnsignedVector) to an
/// [`IntegerVector`](super::IntegerVector).
/// Implementations of traits for converting an [`IntegerVector`](super::IntegerVector) to a
/// [`NaturalVector`](crate::natural_vector::NaturalVector).
///
/// # try_from
/// ```
/// use core::str::FromStr;
/// use malachite_nz::integer_vector::IntegerVector;
/// use malachite_nz::natural_vector::NaturalVector;
///
/// let v = IntegerVector::from_str("(3, 1000000000000000000000000)").unwrap();
/// assert_eq!(
/// NaturalVector::try_from(&v).unwrap().to_string(),
/// "(3, 1000000000000000000000000)"
/// );
/// assert_eq!(
/// NaturalVector::try_from(v).unwrap().to_string(),
/// "(3, 1000000000000000000000000)"
/// );
///
/// let v = IntegerVector::from_str("(3, -1)").unwrap();
/// assert!(NaturalVector::try_from(&v).is_err());
/// assert!(NaturalVector::try_from(v).is_err());
///
/// assert_eq!(
/// NaturalVector::try_from(IntegerVector::from_str("()").unwrap())
/// .unwrap()
/// .to_string(),
/// "()"
/// );
/// ```
///
/// # convertible_from
/// ```
/// use core::str::FromStr;
/// use malachite_base::num::conversion::traits::ConvertibleFrom;
/// use malachite_nz::integer_vector::IntegerVector;
/// use malachite_nz::natural_vector::NaturalVector;
///
/// assert_eq!(
/// NaturalVector::convertible_from(
/// &IntegerVector::from_str("(3, 1000000000000000000000000)").unwrap()
/// ),
/// true
/// );
/// assert_eq!(
/// NaturalVector::convertible_from(&IntegerVector::from_str("(3, -1)").unwrap()),
/// false
/// );
/// assert_eq!(
/// NaturalVector::convertible_from(&IntegerVector::from_str("()").unwrap()),
/// true
/// );
/// ```
/// Functions for converting an [`IntegerVector`](super::IntegerVector) to and from a [`String`].
/// Implementations of traits for converting an [`IntegerVector`](super::IntegerVector) to an
/// [`UnsignedVector`](malachite_base::unsigned_vector::UnsignedVector).
///
/// # try_from
/// ```
/// use core::str::FromStr;
/// use malachite_base::unsigned_vector::UnsignedVector;
/// use malachite_nz::integer_vector::IntegerVector;
///
/// let v = IntegerVector::from_str("(3, 255)").unwrap();
/// assert_eq!(
/// UnsignedVector::<u8>::try_from(&v).unwrap().to_string(),
/// "(3, 255)"
/// );
/// assert_eq!(
/// UnsignedVector::<u64>::try_from(v).unwrap().to_string(),
/// "(3, 255)"
/// );
///
/// let v = IntegerVector::from_str("(3, 256)").unwrap();
/// assert!(UnsignedVector::<u8>::try_from(&v).is_err());
/// assert_eq!(
/// UnsignedVector::<u16>::try_from(&v).unwrap().to_string(),
/// "(3, 256)"
/// );
///
/// // A negative element never fits.
/// let v = IntegerVector::from_str("(3, -1)").unwrap();
/// assert!(UnsignedVector::<u64>::try_from(&v).is_err());
/// ```
///
/// # convertible_from
/// ```
/// use core::str::FromStr;
/// use malachite_base::num::conversion::traits::ConvertibleFrom;
/// use malachite_base::unsigned_vector::UnsignedVector;
/// use malachite_nz::integer_vector::IntegerVector;
///
/// assert_eq!(
/// UnsignedVector::<u8>::convertible_from(&IntegerVector::from_str("(3, 255)").unwrap()),
/// true
/// );
/// assert_eq!(
/// UnsignedVector::<u8>::convertible_from(&IntegerVector::from_str("(3, 256)").unwrap()),
/// false
/// );
/// assert_eq!(
/// UnsignedVector::<u64>::convertible_from(&IntegerVector::from_str("(3, -1)").unwrap()),
/// false
/// );
/// assert_eq!(
/// UnsignedVector::<u32>::convertible_from(&IntegerVector::from_str("()").unwrap()),
/// true
/// );
/// ```