json_response.rs

use std::io::{self, IoResult, MemReader};
use rustc_serialize::{ Encodable };
use rustc_serialize::json::{ self, Json };
use response::IntoReader;

pub trait IntoReader {
    type OutReader: Reader;
    
    fn into_reader(self) -> Self::OutReader;
}

impl IntoReader for Json {
   type OutReader = MemReader;

   fn into_reader<T: Encodable>(self) -> MemReader {
       MemReader::new(json::encode(&self).into_bytes())
   }
}