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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, "{:02x}", b)?; } Ok(()) }