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// Copyright 2015 Ted Mielczarek. See the COPYRIGHT
// file at the top-level directory of this distribution.
//! General-purpose I/O routines.
use std::io;
use std::io::prelude::*;
/// Shorthand for Read + Seek
pub trait Readable: Read + Seek {}
impl<T: Read + Seek> Readable for T {}
/// Format `bytes` to `f` as a hex string.
pub fn write_bytes<T: Write>(f: &mut T, bytes: &[u8]) -> io::Result<()> {
for b in bytes {
write!(f, "{b:02x}")?;
}
Ok(())
}