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macro_rules! impl_array_newtype {
($thing:ident, $ty:ty, $len:expr) => {
impl Copy for $thing {}
impl $thing {
#[inline]
pub fn as_ptr(&self) -> *const $ty {
let &$thing(ref dat) = self;
dat.as_ptr()
}
#[inline]
pub fn as_mut_ptr(&mut self) -> *mut $ty {
let &mut $thing(ref mut dat) = self;
dat.as_mut_ptr()
}
#[inline]
pub fn len(&self) -> usize { $len }
#[inline]
pub fn is_empty(&self) -> bool { false }
}
impl PartialEq for $thing {
#[inline]
fn eq(&self, other: &$thing) -> bool {
&self[..] == &other[..]
}
}
impl Eq for $thing {}
impl Clone for $thing {
#[inline]
fn clone(&self) -> $thing {
unsafe {
use std::intrinsics::copy_nonoverlapping;
use std::mem;
let mut ret: $thing = mem::uninitialized();
copy_nonoverlapping(self.as_ptr(),
ret.as_mut_ptr(),
mem::size_of::<$thing>());
ret
}
}
}
impl ::std::ops::Index<usize> for $thing {
type Output = $ty;
#[inline]
fn index(&self, index: usize) -> &$ty {
let &$thing(ref dat) = self;
&dat[index]
}
}
impl ::std::ops::Index<::std::ops::Range<usize>> for $thing {
type Output = [$ty];
#[inline]
fn index(&self, index: ::std::ops::Range<usize>) -> &[$ty] {
let &$thing(ref dat) = self;
&dat[index]
}
}
impl ::std::ops::Index<::std::ops::RangeTo<usize>> for $thing {
type Output = [$ty];
#[inline]
fn index(&self, index: ::std::ops::RangeTo<usize>) -> &[$ty] {
let &$thing(ref dat) = self;
&dat[index]
}
}
impl ::std::ops::Index<::std::ops::RangeFrom<usize>> for $thing {
type Output = [$ty];
#[inline]
fn index(&self, index: ::std::ops::RangeFrom<usize>) -> &[$ty] {
let &$thing(ref dat) = self;
&dat[index]
}
}
impl ::std::ops::Index<::std::ops::RangeFull> for $thing {
type Output = [$ty];
#[inline]
fn index(&self, _: ::std::ops::RangeFull) -> &[$ty] {
let &$thing(ref dat) = self;
&dat[..]
}
}
impl ::serialize::Decodable for $thing {
fn decode<D: ::serialize::Decoder>(d: &mut D) -> Result<$thing, D::Error> {
use serialize::Decodable;
d.read_seq(|d, len| {
if len != $len {
Err(d.error("Invalid length"))
} else {
unsafe {
use std::mem;
let mut ret: [$ty; $len] = mem::uninitialized();
for i in 0..len {
ret[i] = try!(d.read_seq_elt(i, |d| Decodable::decode(d)));
}
Ok($thing(ret))
}
}
})
}
}
impl ::serialize::Encodable for $thing {
fn encode<S: ::serialize::Encoder>(&self, s: &mut S)
-> Result<(), S::Error> {
self[..].encode(s)
}
}
impl<'de> ::serde::Deserialize<'de> for $thing {
fn deserialize<D>(d: D) -> Result<$thing, D::Error>
where D: ::serde::Deserializer<'de>
{
struct Visitor {
marker: ::std::marker::PhantomData<$thing>,
}
impl<'de> ::serde::de::Visitor<'de> for Visitor {
type Value = $thing;
#[inline]
fn visit_seq<A>(self, mut a: A) -> Result<$thing, A::Error>
where A: ::serde::de::SeqAccess<'de>
{
unsafe {
use std::mem;
let mut ret: [$ty; $len] = mem::uninitialized();
for i in 0..$len {
ret[i] = match try!(a.next_element()) {
Some(c) => c,
None => return Err(::serde::de::Error::invalid_length(i, &self))
};
}
let one_after_last : Option<u8> = try!(a.next_element());
if one_after_last.is_some() {
return Err(::serde::de::Error::invalid_length($len + 1, &self));
}
Ok($thing(ret))
}
}
fn expecting(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
write!(f, "a sequence of {} elements", $len)
}
}
d.deserialize_seq(Visitor { marker: ::std::marker::PhantomData })
}
}
impl ::serde::Serialize for $thing {
fn serialize<S>(&self, s: S) -> Result<S::Ok, S::Error>
where S: ::serde::Serializer
{
(&self.0[..]).serialize(s)
}
}
}
}
macro_rules! impl_pretty_debug {
($thing:ident) => {
impl ::std::fmt::Debug for $thing {
fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
try!(write!(f, "{}(", stringify!($thing)));
for i in self[..].iter().cloned() {
try!(write!(f, "{:02x}", i));
}
write!(f, ")")
}
}
}
}
macro_rules! impl_raw_debug {
($thing:ident) => {
impl ::std::fmt::Debug for $thing {
fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
for i in self[..].iter().cloned() {
try!(write!(f, "{:02x}", i));
}
Ok(())
}
}
}
}
#[cfg(test)]
macro_rules! round_trip_serde (
($var:ident) => ({
let start = $var;
let mut encoded = Vec::new();
{
let mut serializer = ::json::ser::Serializer::new(&mut encoded);
::serde::Serialize::serialize(&start, &mut serializer).unwrap();
}
let mut deserializer = ::json::de::Deserializer::from_slice(&encoded);
let decoded = ::serde::Deserialize::deserialize(&mut deserializer);
assert_eq!(Some(start), decoded.ok());
})
);