| // 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. |
| |
| // compile-pass |
| #![allow(dead_code)] |
| // pretty-expanded FIXME #23616 |
| // ignore-cloudabi no std::fs |
| |
| use std::fs::File; |
| use std::io::{self, BufReader, Read}; |
| |
| struct Lexer<R: Read> |
| { |
| reader: BufReader<R>, |
| } |
| |
| impl<R: Read> Lexer<R> |
| { |
| pub fn new_from_reader(r: R) -> Lexer<R> |
| { |
| Lexer{reader: BufReader::new(r)} |
| } |
| |
| pub fn new_from_file(p: &str) -> io::Result<Lexer<File>> |
| { |
| Ok(Lexer::new_from_reader(File::open(p)?)) |
| } |
| |
| pub fn new_from_str<'a>(s: &'a str) -> Lexer<&'a [u8]> |
| { |
| Lexer::new_from_reader(s.as_bytes()) |
| } |
| } |
| |
| fn main() {} |
