Method extend_from_slice

src/arrayvec.rs:466–485

(&mut self, sli: &[A::Item])

  /// * If the `ArrayVec` would overflow, this will panic.
  #[inline]
  pub fn extend_from_slice(&mut self, sli: &[A::Item])
  where
    A::Item: Clone,
  {
    if sli.is_empty() {
      return;
    }

    let new_len = self.len as usize + sli.len();
    assert!(
      new_len <= A::CAPACITY,
      "ArrayVec::extend_from_slice> total length {} exceeds capacity {}!",
      new_len,
      A::CAPACITY
    );

    let target = &mut self.data.as_slice_mut()[self.len as usize..new_len];
    target.clone_from_slice(sli);
    self.set_len(new_len);
  }

  /// Fill the vector until its capacity has been reached.
  ///