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+ // Copyright 2014 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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+
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+ pub struct Lexer < ' a > {
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+ input : & ' a str ,
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+ }
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+
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+ impl < ' a > Lexer < ' a > {
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+ pub fn new ( input : & ' a str ) -> Lexer < ' a > {
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+ Lexer { input : input }
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+ }
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+ }
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+
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+ struct Parser < ' a > {
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+ lexer : & ' a mut Lexer < ' a > ,
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+ }
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+
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+ impl < ' a > Parser < ' a > {
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+ pub fn new ( lexer : & ' a mut Lexer ) -> Parser < ' a > {
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+ Parser { lexer : lexer }
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+ //~^ ERROR cannot infer an appropriate lifetime for lifetime parameter
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+ }
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+ }
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+
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+ fn main ( ) { }
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