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use crate::write::ext_write::ExtWrite;
use std::fmt::Debug;
use std::io::Write;
use std::io;
use std::fmt;
pub struct UnionWrite<W: Write, W2: Write>(W, W2);
impl<W: Write, W2: Write> UnionWrite<W, W2> {
#[inline]
pub fn new(out: W, out2: W2) -> Self {
UnionWrite(out, out2)
}
}
impl<W: Write, W2: Write> Debug for UnionWrite<W, W2> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("UnionWrite { .. }")
}
}
impl<W: Write, W2: Write> Write for UnionWrite<W, W2> {
#[inline(always)]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
let e = self.0.write(buf);
let e2 = self.1.write(buf);
match e {
Ok(ref size_0) => {
match e2 {
Ok(ref size_2) if size_0 >= size_2 => return Ok(*size_0),
Ok(ref size_2) if size_0 < size_2 => return Ok(*size_2),
err => return err,
}
},
err => return err,
}
}
#[inline(always)]
fn flush(&mut self) -> io::Result<()> {
let e = self.0.flush();
let e2 = self.1.flush();
if let Err(_) = e {
return e;
}
e2
}
#[inline(always)]
fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
let e = self.0.write_all(buf);
let e2 = self.1.write_all(buf);
if let Err(_) = e {
return e;
}
e2
}
#[inline(always)]
fn write_fmt(&mut self, fmt: fmt::Arguments) -> io::Result<()> {
let e = self.0.write_fmt(fmt);
let e2 = self.1.write_fmt(fmt);
if let Err(_) = e {
return e;
}
e2
}
}
impl<W: Write + Clone, W2: Write + Clone> Clone for UnionWrite<W, W2> {
fn clone(&self) -> Self {
Self::new(self.0.clone(), self.1.clone())
}
}
impl<'a, W: ExtWrite<'a>, W2: ExtWrite<'a>> ExtWrite<'a> for UnionWrite<W, W2> {
type LockWrite = UnionWrite<W::LockWrite, W2::LockWrite>;
fn lock(&'a self) -> Self::LockWrite {
Self::LockWrite::new(self.0.lock(), self.1.lock())
}
}
impl<'a, W: 'static + 'a + ExtWrite<'a>, W2: 'static + 'a + ExtWrite<'a>> Into<Box<Write + 'a>> for UnionWrite<W, W2> {
fn into(self) -> Box<Write> {
Box::new(self)
}
}