rust/src/rustbook/term.rs
2015-03-13 10:00:28 -07:00

35 lines
982 B
Rust

// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//! An abstraction of the terminal. Eventually, provide color and
//! verbosity support. For now, just a wrapper around stdout/stderr.
use std::env;
use std::io;
use std::io::prelude::*;
pub struct Term {
err: Box<Write + 'static>
}
impl Term {
pub fn new() -> Term {
Term {
err: Box::new(io::stderr())
}
}
pub fn err(&mut self, msg: &str) {
// swallow any errors
let _ = writeln!(&mut self.err, "{}", msg);
env::set_exit_status(101);
}
}