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//! # Serialize trait module

use std::io;

use crate::errors::Result;

pub trait Serialize {
    fn to_writer<W: io::Write>(&self, _: &mut W) -> Result<()>;

    fn to_bytes(&self) -> Result<Vec<u8>> {
        let mut buf = Vec::new();
        self.to_writer(&mut buf)?;

        Ok(buf)
    }
}

impl<'a, T: Serialize> Serialize for &'a T {
    fn to_writer<W: io::Write>(&self, writer: &mut W) -> Result<()> {
        (*self).to_writer(writer)
    }
}

impl<'a, T: Serialize> Serialize for &'a [T] {
    fn to_writer<W: io::Write>(&self, writer: &mut W) -> Result<()> {
        for x in self.iter() {
            (*x).to_writer(writer)?;
        }
        Ok(())
    }
}

impl<T: Serialize> Serialize for Vec<T> {
    fn to_writer<W: io::Write>(&self, writer: &mut W) -> Result<()> {
        for x in self.iter() {
            (*x).to_writer(writer)?;
        }
        Ok(())
    }
}