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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
use super::ShortBoxSlice;
use super::ShortBoxSliceInner;
use super::ShortBoxSliceIntoIter;
use alloc::vec::Vec;
use litemap::store::*;
impl<K, V> StoreConstEmpty<K, V> for ShortBoxSlice<(K, V)> {
const EMPTY: ShortBoxSlice<(K, V)> = ShortBoxSlice::new();
}
impl<K, V> Store<K, V> for ShortBoxSlice<(K, V)> {
#[inline]
fn lm_len(&self) -> usize {
self.len()
}
#[inline]
fn lm_is_empty(&self) -> bool {
use ShortBoxSliceInner::*;
matches!(self.0, ZeroOne(None))
}
#[inline]
fn lm_get(&self, index: usize) -> Option<(&K, &V)> {
self.get(index).map(|elt| (&elt.0, &elt.1))
}
#[inline]
fn lm_last(&self) -> Option<(&K, &V)> {
use ShortBoxSliceInner::*;
match self.0 {
ZeroOne(ref v) => v.as_ref(),
Multi(ref v) => v.last(),
}
.map(|elt| (&elt.0, &elt.1))
}
#[inline]
fn lm_binary_search_by<F>(&self, mut cmp: F) -> Result<usize, usize>
where
F: FnMut(&K) -> core::cmp::Ordering,
{
self.binary_search_by(|(k, _)| cmp(k))
}
}
impl<K: Ord, V> StoreFromIterable<K, V> for ShortBoxSlice<(K, V)> {
fn lm_sort_from_iter<I: IntoIterator<Item = (K, V)>>(iter: I) -> Self {
let v: Vec<(K, V)> = Vec::lm_sort_from_iter(iter);
v.into()
}
}
impl<K, V> StoreMut<K, V> for ShortBoxSlice<(K, V)> {
fn lm_with_capacity(_capacity: usize) -> Self {
ShortBoxSlice::new()
}
fn lm_reserve(&mut self, _additional: usize) {}
fn lm_get_mut(&mut self, index: usize) -> Option<(&K, &mut V)> {
self.get_mut(index).map(|elt| (&elt.0, &mut elt.1))
}
fn lm_push(&mut self, key: K, value: V) {
self.push((key, value))
}
fn lm_insert(&mut self, index: usize, key: K, value: V) {
self.insert(index, (key, value))
}
fn lm_remove(&mut self, index: usize) -> (K, V) {
self.remove(index)
}
fn lm_clear(&mut self) {
self.clear();
}
fn lm_retain<F>(&mut self, mut predicate: F)
where
F: FnMut(&K, &V) -> bool,
{
self.retain(|(k, v)| predicate(k, v))
}
}
impl<'a, K: 'a, V: 'a> StoreIterable<'a, K, V> for ShortBoxSlice<(K, V)> {
type KeyValueIter =
core::iter::Map<core::slice::Iter<'a, (K, V)>, for<'r> fn(&'r (K, V)) -> (&'r K, &'r V)>;
fn lm_iter(&'a self) -> Self::KeyValueIter {
self.iter().map(|elt| (&elt.0, &elt.1))
}
}
impl<K, V> StoreFromIterator<K, V> for ShortBoxSlice<(K, V)> {}
impl<'a, K: 'a, V: 'a> StoreIterableMut<'a, K, V> for ShortBoxSlice<(K, V)> {
type KeyValueIterMut = core::iter::Map<
core::slice::IterMut<'a, (K, V)>,
for<'r> fn(&'r mut (K, V)) -> (&'r K, &'r mut V),
>;
fn lm_iter_mut(
&'a mut self,
) -> <Self as litemap::store::StoreIterableMut<'a, K, V>>::KeyValueIterMut {
self.iter_mut().map(|elt| (&elt.0, &mut elt.1))
}
}
impl<K, V> StoreIntoIterator<K, V> for ShortBoxSlice<(K, V)> {
type KeyValueIntoIter = ShortBoxSliceIntoIter<(K, V)>;
fn lm_into_iter(self) -> Self::KeyValueIntoIter {
self.into_iter()
}
// leave lm_extend_end as default
// leave lm_extend_start as default
}
#[test]
fn test_short_slice_impl() {
litemap::testing::check_store::<ShortBoxSlice<(u32, u64)>>();
}
#[test]
fn test_short_slice_impl_full() {
litemap::testing::check_store_full::<ShortBoxSlice<(u32, u64)>>();
}