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use serialize::RawSerialize;
use deserialize::RawDeserialize;
use std::io::{ Read, Write };
use std::io::Error;
impl<T> RawSerialize for Option<T> where T: RawSerialize {
#[inline(always)]
fn raw_serialize(&self, to: &mut Write) -> Result<u64, Error> {
let mut size = 0;
match self {
&Some(ref x) => {
check!(1u8.raw_serialize(to));
check!(x.raw_serialize(to), size);
},
&None => {
check!(0u8.raw_serialize(to));
}
};
Ok(size + 1)
}
}
impl<T> RawDeserialize for Option<T> where T: RawDeserialize {
#[inline(always)]
fn raw_deserialize(from: &mut Read) -> Result<Self, Error> {
let t;
check!(u8::raw_deserialize(from), t);
match t {
0 => {
Ok(None)
},
1 => {
let value;
check!(T::raw_deserialize(from), value);
Ok(Some(value))
},
_ => {
panic!("Error parsing Option<T>: possibly corrupted data.");
}
}
}
}