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// Copyright 2012 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.
//! Escapes text sequences
use pass::Pass;
use text_pass;
pub fn mk_pass() -> Pass {
text_pass::mk_pass(~"escape", escape)
}
fn escape(s: &str) -> ~str {
s.replace("\\", "\\\\")
}
#[test]
fn should_escape_backslashes() {
let s = ~"\\n";
let r = escape(s);
assert_eq!(r, ~"\\\\n");
}
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