use std::fmt; | |
use std::io; | |
pub trait AnyWrite { | |
type wstr: ?Sized; | |
type Error; | |
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<(), Self::Error>; | |
fn write_str(&mut self, s: &Self::wstr) -> Result<(), Self::Error>; | |
} | |
impl<'a> AnyWrite for fmt::Write + 'a { | |
type wstr = str; | |
type Error = fmt::Error; | |
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<(), Self::Error> { | |
fmt::Write::write_fmt(self, fmt) | |
} | |
fn write_str(&mut self, s: &Self::wstr) -> Result<(), Self::Error> { | |
fmt::Write::write_str(self, s) | |
} | |
} | |
impl<'a> AnyWrite for io::Write + 'a { | |
type wstr = [u8]; | |
type Error = io::Error; | |
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<(), Self::Error> { | |
io::Write::write_fmt(self, fmt) | |
} | |
fn write_str(&mut self, s: &Self::wstr) -> Result<(), Self::Error> { | |
io::Write::write_all(self, s) | |
} | |
} |