32 lines
796 B
Rust
32 lines
796 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! Escapes text sequences
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use pass::Pass;
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use text_pass;
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use core::str;
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pub fn mk_pass() -> Pass {
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text_pass::mk_pass(~"escape", escape)
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}
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fn escape(s: &str) -> ~str {
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str::replace(s, "\\", "\\\\")
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}
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#[test]
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fn should_escape_backslashes() {
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let s = ~"\\n";
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let r = escape(s);
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assert_eq!(r, ~"\\\\n");
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}
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