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use std::default::Default;
use std::hash::{Hash, Hasher};
use {Decodable, Encodable, Decoder, Encoder};
use std::collections::{DList, RingBuf, BTreeMap, BTreeSet, HashMap, HashSet, VecMap};
use std::collections::hash_state::HashState;
impl<
T: Encodable
> Encodable for DList<T> {
fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error> {
s.emit_seq(self.len(), |s| {
for (i, e) in self.iter().enumerate() {
try!(s.emit_seq_elt(i, |s| e.encode(s)));
}
Ok(())
})
}
}
impl<T:Decodable> Decodable for DList<T> {
fn decode<D: Decoder>(d: &mut D) -> Result<DList<T>, D::Error> {
d.read_seq(|d, len| {
let mut list = DList::new();
for i in range(0, len) {
list.push_back(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
}
Ok(list)
})
}
}
impl<T: Encodable> Encodable for RingBuf<T> {
fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error> {
s.emit_seq(self.len(), |s| {
for (i, e) in self.iter().enumerate() {
try!(s.emit_seq_elt(i, |s| e.encode(s)));
}
Ok(())
})
}
}
impl<T:Decodable> Decodable for RingBuf<T> {
fn decode<D: Decoder>(d: &mut D) -> Result<RingBuf<T>, D::Error> {
d.read_seq(|d, len| {
let mut deque: RingBuf<T> = RingBuf::new();
for i in range(0, len) {
deque.push_back(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
}
Ok(deque)
})
}
}
impl<
K: Encodable + PartialEq + Ord,
V: Encodable + PartialEq
> Encodable for BTreeMap<K, V> {
fn encode<S: Encoder>(&self, e: &mut S) -> Result<(), S::Error> {
e.emit_map(self.len(), |e| {
let mut i = 0;
for (key, val) in self.iter() {
try!(e.emit_map_elt_key(i, |e| key.encode(e)));
try!(e.emit_map_elt_val(i, |e| val.encode(e)));
i += 1;
}
Ok(())
})
}
}
impl<
K: Decodable + PartialEq + Ord,
V: Decodable + PartialEq
> Decodable for BTreeMap<K, V> {
fn decode<D: Decoder>(d: &mut D) -> Result<BTreeMap<K, V>, D::Error> {
d.read_map(|d, len| {
let mut map = BTreeMap::new();
for i in range(0, len) {
let key = try!(d.read_map_elt_key(i, |d| Decodable::decode(d)));
let val = try!(d.read_map_elt_val(i, |d| Decodable::decode(d)));
map.insert(key, val);
}
Ok(map)
})
}
}
impl<
T: Encodable + PartialEq + Ord
> Encodable for BTreeSet<T> {
fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error> {
s.emit_seq(self.len(), |s| {
let mut i = 0;
for e in self.iter() {
try!(s.emit_seq_elt(i, |s| e.encode(s)));
i += 1;
}
Ok(())
})
}
}
impl<
T: Decodable + PartialEq + Ord
> Decodable for BTreeSet<T> {
fn decode<D: Decoder>(d: &mut D) -> Result<BTreeSet<T>, D::Error> {
d.read_seq(|d, len| {
let mut set = BTreeSet::new();
for i in range(0, len) {
set.insert(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
}
Ok(set)
})
}
}
impl<K, V, S> Encodable for HashMap<K, V, S>
where K: Encodable + Hash< <S as HashState>::Hasher> + Eq,
V: Encodable,
S: HashState,
<S as HashState>::Hasher: Hasher<Output=u64>
{
fn encode<E: Encoder>(&self, e: &mut E) -> Result<(), E::Error> {
e.emit_map(self.len(), |e| {
let mut i = 0;
for (key, val) in self.iter() {
try!(e.emit_map_elt_key(i, |e| key.encode(e)));
try!(e.emit_map_elt_val(i, |e| val.encode(e)));
i += 1;
}
Ok(())
})
}
}
impl<K, V, S> Decodable for HashMap<K, V, S>
where K: Decodable + Hash< <S as HashState>::Hasher> + Eq,
V: Decodable,
S: HashState + Default,
<S as HashState>::Hasher: Hasher<Output=u64>
{
fn decode<D: Decoder>(d: &mut D) -> Result<HashMap<K, V, S>, D::Error> {
d.read_map(|d, len| {
let state = Default::default();
let mut map = HashMap::with_capacity_and_hash_state(len, state);
for i in range(0, len) {
let key = try!(d.read_map_elt_key(i, |d| Decodable::decode(d)));
let val = try!(d.read_map_elt_val(i, |d| Decodable::decode(d)));
map.insert(key, val);
}
Ok(map)
})
}
}
impl<T, S> Encodable for HashSet<T, S>
where T: Encodable + Hash< <S as HashState>::Hasher> + Eq,
S: HashState,
<S as HashState>::Hasher: Hasher<Output=u64>
{
fn encode<E: Encoder>(&self, s: &mut E) -> Result<(), E::Error> {
s.emit_seq(self.len(), |s| {
let mut i = 0;
for e in self.iter() {
try!(s.emit_seq_elt(i, |s| e.encode(s)));
i += 1;
}
Ok(())
})
}
}
impl<T, S> Decodable for HashSet<T, S>
where T: Decodable + Hash< <S as HashState>::Hasher> + Eq,
S: HashState + Default,
<S as HashState>::Hasher: Hasher<Output=u64>
{
fn decode<D: Decoder>(d: &mut D) -> Result<HashSet<T, S>, D::Error> {
d.read_seq(|d, len| {
let state = Default::default();
let mut set = HashSet::with_capacity_and_hash_state(len, state);
for i in range(0, len) {
set.insert(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
}
Ok(set)
})
}
}
impl<V: Encodable> Encodable for VecMap<V> {
fn encode<S: Encoder>(&self, e: &mut S) -> Result<(), S::Error> {
e.emit_map(self.len(), |e| {
for (i, (key, val)) in self.iter().enumerate() {
try!(e.emit_map_elt_key(i, |e| key.encode(e)));
try!(e.emit_map_elt_val(i, |e| val.encode(e)));
}
Ok(())
})
}
}
impl<V: Decodable> Decodable for VecMap<V> {
fn decode<D: Decoder>(d: &mut D) -> Result<VecMap<V>, D::Error> {
d.read_map(|d, len| {
let mut map = VecMap::new();
for i in range(0, len) {
let key = try!(d.read_map_elt_key(i, |d| Decodable::decode(d)));
let val = try!(d.read_map_elt_val(i, |d| Decodable::decode(d)));
map.insert(key, val);
}
Ok(map)
})
}
}
