src/test/run-pass-fulldeps/issue-11881.rs

   1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11
  12 #![feature(rustc_private)]
  13
  14 extern crate rbml;
  15 extern crate serialize;
  16
  17 use std::io::Cursor;
  18 use std::io::prelude::*;
  19 use std::fmt;
  20 use std::slice;
  21
  22 use serialize::{Encodable, Encoder};
  23 use serialize::json;
  24
  25 use rbml::writer;
  26
  27 #[derive(Encodable)]
  28 struct Foo {
  29     baz: bool,
  30 }
  31
  32 #[derive(Encodable)]
  33 struct Bar {
  34     froboz: usize,
  35 }
  36
  37 enum WireProtocol {
  38     JSON,
  39     RBML,
  40     // ...
  41 }
  42
  43 fn encode_json<T: Encodable>(val: &T, wr: &mut Cursor<Vec<u8>>) {
  44     write!(wr, "{}", json::as_json(val));
  45 }
  46 fn encode_rbml<T: Encodable>(val: &T, wr: &mut Cursor<Vec<u8>>) {
  47     let mut encoder = writer::Encoder::new(wr);
  48     val.encode(&mut encoder);
  49 }
  50
  51 pub fn main() {
  52     let target = Foo{baz: false,};
  53     let mut wr = Cursor::new(Vec::new());
  54     let proto = WireProtocol::JSON;
  55     match proto {
  56         WireProtocol::JSON => encode_json(&target, &mut wr),
  57         WireProtocol::RBML => encode_rbml(&target, &mut wr)
  58     }
  59 }