use std::collections::VecDeque;
use super::inner_value::InnerValue;
pub struct VecDequeMut<V> {
data: InnerValue<VecDeque<V>>,
}
impl<V> Default for VecDequeMut<V> {
fn default() -> Self {
Self::new()
}
}
impl<V> VecDequeMut<V> {
pub fn new() -> VecDequeMut<V> {
VecDequeMut {
data: InnerValue::new(VecDeque::new())
}
}
pub fn push(&self, value: V) {
let state = self.data.get_mut();
state.push_back(value);
}
pub fn push_back(&self, value: V) {
let state = self.data.get_mut();
state.push_back(value);
}
pub fn pop_back(&self) -> Option<V> {
let state = self.data.get_mut();
state.pop_back()
}
pub fn take(&self) -> VecDeque<V> {
let state = self.data.get_mut();
std::mem::take(state)
}
pub fn replace(&self, child: VecDeque<V>) -> VecDeque<V> {
let state = self.data.get_mut();
std::mem::replace(state, child)
}
pub fn is_empty(&self) -> bool {
let state = self.data.get();
state.is_empty()
}
pub fn len(&self) -> usize {
let state = self.data.get();
state.len()
}
pub fn get_mut(&self, index: usize, callback: impl Fn(Option<&mut V>)) {
let state = self.data.get_mut();
let value = state.get_mut(index);
callback(value);
}
}