Method try_push

src/arrayvec.rs:713–724

(&mut self, val: A::Item)

  /// ```
  #[inline(always)]
  pub fn try_push(&mut self, val: A::Item) -> Option<A::Item> {
    debug_assert!(self.len as usize <= A::CAPACITY);

    let itemref = match self.data.as_slice_mut().get_mut(self.len as usize) {
      None => return Some(val),
      Some(x) => x,
    };

    *itemref = val;
    self.len += 1;
    return None;
  }

  /// Removes the item at `index`, shifting all others down by one index.
  ///