2014-07-18 13:56:17 +00:00
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// Rust Bitcoin Library
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// Written in 2014 by
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// Andrew Poelstra <apoelstra@wpsoftware.net>
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//
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// To the extent possible under law, the author(s) have dedicated all
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// copyright and related and neighboring rights to this software to
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// the public domain worldwide. This software is distributed without
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// any warranty.
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//
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// You should have received a copy of the CC0 Public Domain Dedication
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// along with this software.
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// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
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//
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2015-01-18 18:16:01 +00:00
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macro_rules! impl_consensus_encoding {
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2014-07-18 13:56:17 +00:00
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($thing:ident, $($field:ident),+) => (
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2015-04-06 00:10:37 +00:00
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impl<S: ::network::serialize::SimpleEncoder> ::network::encodable::ConsensusEncodable<S> for $thing {
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2014-08-01 16:01:39 +00:00
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#[inline]
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2015-04-06 00:10:37 +00:00
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fn consensus_encode(&self, s: &mut S) -> Result<(), S::Error> {
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2014-08-01 16:01:39 +00:00
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$( try!(self.$field.consensus_encode(s)); )+
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Ok(())
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2014-07-18 13:56:17 +00:00
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}
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2014-08-01 16:01:39 +00:00
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}
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2014-07-18 13:56:17 +00:00
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2015-04-06 00:10:37 +00:00
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impl<D: ::network::serialize::SimpleDecoder> ::network::encodable::ConsensusDecodable<D> for $thing {
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2014-08-01 16:01:39 +00:00
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#[inline]
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2015-04-06 00:10:37 +00:00
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fn consensus_decode(d: &mut D) -> Result<$thing, D::Error> {
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2014-08-01 16:01:39 +00:00
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use network::encodable::ConsensusDecodable;
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Ok($thing {
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$( $field: try!(ConsensusDecodable::consensus_decode(d)), )+
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})
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2014-07-18 13:56:17 +00:00
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}
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}
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);
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2015-01-18 18:16:01 +00:00
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}
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2014-07-18 13:56:17 +00:00
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2015-01-18 18:16:01 +00:00
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macro_rules! impl_newtype_consensus_encoding {
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2014-08-22 18:32:42 +00:00
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($thing:ident) => (
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2015-04-06 00:10:37 +00:00
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impl<S: ::network::serialize::SimpleEncoder> ::network::encodable::ConsensusEncodable<S> for $thing {
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2014-08-22 18:32:42 +00:00
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#[inline]
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2015-04-06 00:10:37 +00:00
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fn consensus_encode(&self, s: &mut S) -> Result<(), S::Error> {
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2014-08-22 18:32:42 +00:00
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let &$thing(ref data) = self;
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data.consensus_encode(s)
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}
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}
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2015-04-06 00:10:37 +00:00
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impl<D: ::network::serialize::SimpleDecoder> ::network::encodable::ConsensusDecodable<D> for $thing {
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2014-08-22 18:32:42 +00:00
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#[inline]
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2015-04-06 00:10:37 +00:00
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fn consensus_decode(d: &mut D) -> Result<$thing, D::Error> {
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2014-08-22 18:32:42 +00:00
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Ok($thing(try!(ConsensusDecodable::consensus_decode(d))))
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}
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}
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);
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2015-01-18 18:16:01 +00:00
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}
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2014-08-22 18:32:42 +00:00
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2015-01-18 18:16:01 +00:00
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macro_rules! impl_array_newtype {
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2014-08-28 16:49:03 +00:00
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($thing:ident, $ty:ty, $len:expr) => {
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impl $thing {
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#[inline]
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/// Provides an immutable view into the object
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pub fn as_slice<'a>(&'a self) -> &'a [$ty] {
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let &$thing(ref dat) = self;
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dat.as_slice()
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}
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#[inline]
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/// Provides an immutable view into the object from index `s` inclusive to `e` exclusive
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2015-01-18 18:16:01 +00:00
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pub fn slice<'a>(&'a self, s: usize, e: usize) -> &'a [$ty] {
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2014-08-28 16:49:03 +00:00
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let &$thing(ref dat) = self;
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dat.slice(s, e)
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}
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#[inline]
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/// Provides an immutable view into the object, up to index `n` exclusive
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2015-01-18 18:16:01 +00:00
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pub fn slice_to<'a>(&'a self, n: usize) -> &'a [$ty] {
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2014-08-28 16:49:03 +00:00
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let &$thing(ref dat) = self;
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dat.slice_to(n)
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}
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#[inline]
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/// Provides an immutable view into the object, starting from index `n`
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2015-01-18 18:16:01 +00:00
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pub fn slice_from<'a>(&'a self, n: usize) -> &'a [$ty] {
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2014-08-28 16:49:03 +00:00
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let &$thing(ref dat) = self;
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dat.slice_from(n)
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}
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#[inline]
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/// Converts the object to a raw pointer
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pub fn as_ptr(&self) -> *const $ty {
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let &$thing(ref dat) = self;
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dat.as_ptr()
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}
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#[inline]
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/// Converts the object to a mutable raw pointer
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pub fn as_mut_ptr(&mut self) -> *mut $ty {
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let &$thing(ref mut dat) = self;
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dat.as_mut_ptr()
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}
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#[inline]
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/// Returns the length of the object as an array
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2015-01-18 18:16:01 +00:00
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pub fn len(&self) -> usize { $len }
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2014-08-28 16:49:03 +00:00
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/// Constructs a new object from raw data
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pub fn from_slice(data: &[$ty]) -> $thing {
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assert_eq!(data.len(), $len);
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unsafe {
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2015-03-26 15:44:49 +00:00
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use std::intrinsics::copy_nonoverlapping;
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2014-08-28 16:49:03 +00:00
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use std::mem;
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let mut ret: $thing = mem::uninitialized();
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2015-03-26 15:44:49 +00:00
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copy_nonoverlapping(ret.as_mut_ptr(),
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data.as_ptr(),
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mem::size_of::<$thing>());
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2014-08-28 16:49:03 +00:00
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ret
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}
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}
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}
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2015-04-05 03:13:19 +00:00
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impl ::std::ops::Index<usize> for $thing {
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type Output = $ty;
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#[inline]
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fn index(&self, index: usize) -> &$ty {
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let &$thing(ref dat) = self;
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&dat[index]
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}
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}
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impl ::std::ops::Index<::std::ops::Range<usize>> for $thing {
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type Output = [$ty];
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#[inline]
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fn index(&self, index: ::std::ops::Range<usize>) -> &[$ty] {
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let &$thing(ref dat) = self;
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&dat[index.start..index.end]
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}
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}
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impl ::std::ops::Index<::std::ops::RangeTo<usize>> for $thing {
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type Output = [$ty];
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#[inline]
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fn index(&self, index: ::std::ops::RangeTo<usize>) -> &[$ty] {
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let &$thing(ref dat) = self;
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&dat[..index.end]
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}
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}
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impl ::std::ops::Index<::std::ops::RangeFrom<usize>> for $thing {
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type Output = [$ty];
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#[inline]
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fn index(&self, index: ::std::ops::RangeFrom<usize>) -> &[$ty] {
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let &$thing(ref dat) = self;
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&dat[index.start..]
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}
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}
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impl ::std::ops::Index<::std::ops::RangeFull> for $thing {
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type Output = [$ty];
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#[inline]
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fn index(&self, _: ::std::ops::RangeFull) -> &[$ty] {
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let &$thing(ref dat) = self;
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&dat[..]
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}
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}
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2014-08-28 16:49:03 +00:00
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impl PartialEq for $thing {
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#[inline]
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fn eq(&self, other: &$thing) -> bool {
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self.as_slice() == other.as_slice()
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}
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}
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impl Eq for $thing {}
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impl Clone for $thing {
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#[inline]
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fn clone(&self) -> $thing {
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$thing::from_slice(self.as_slice())
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}
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}
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2014-08-31 16:50:46 +00:00
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}
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2015-01-18 18:16:01 +00:00
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}
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2014-08-28 16:49:03 +00:00
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2015-01-18 18:16:01 +00:00
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macro_rules! impl_array_newtype_encodable {
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2014-09-05 14:10:18 +00:00
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($thing:ident, $ty:ty, $len:expr) => {
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2015-04-06 00:10:37 +00:00
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impl ::serde::Deserialize for $thing {
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fn deserialize<D>(d: &mut D) -> Result<$thing, D::Error>
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where D: ::serde::Deserializer
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{
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// We have to define the Visitor struct inside the function
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// to make it local ... what we really need is that it's
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// local to the macro, but this is Close Enough.
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struct Visitor {
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marker: ::std::marker::PhantomData<$thing>,
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}
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impl ::serde::de::Visitor for Visitor {
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type Value = $thing;
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2014-09-05 14:10:18 +00:00
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2015-04-06 00:10:37 +00:00
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#[inline]
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fn visit_seq<V>(&mut self, mut v: V) -> Result<$thing, V::Error>
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where V: ::serde::de::SeqVisitor
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{
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2014-09-05 14:10:18 +00:00
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unsafe {
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use std::mem;
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2015-01-18 18:16:01 +00:00
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let mut ret: [$ty; $len] = mem::uninitialized();
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2015-04-06 00:10:37 +00:00
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for i in 0..$len {
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ret[i] = try!(v.visit());
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2014-09-05 14:10:18 +00:00
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}
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Ok($thing(ret))
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}
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}
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2015-04-06 00:10:37 +00:00
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}
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// Begin actual function
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d.visit(Visitor { marker: ::std::marker::PhantomData })
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2014-09-05 14:10:18 +00:00
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}
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}
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2015-04-06 00:10:37 +00:00
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impl ::serde::Serialize for $thing {
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fn serialize<S>(&self, s: &mut S) -> Result<(), S::Error>
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where S: ::serde::Serializer
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{
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let &$thing(ref dat) = self;
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(&dat[..]).serialize(s)
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2014-09-05 14:10:18 +00:00
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}
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}
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}
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2015-01-18 18:16:01 +00:00
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}
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2014-09-05 14:10:18 +00:00
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2015-01-18 18:16:01 +00:00
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macro_rules! impl_array_newtype_show {
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2014-08-31 16:50:46 +00:00
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($thing:ident) => {
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2015-03-26 15:35:31 +00:00
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impl ::std::fmt::Debug for $thing {
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2014-08-28 16:49:03 +00:00
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fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
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write!(f, concat!(stringify!($thing), "({})"), self.as_slice())
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}
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}
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}
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2015-01-18 18:16:01 +00:00
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}
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2014-08-28 16:49:03 +00:00
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