use std::fs::File;
use std::io::BufReader;
use std::io::prelude::*;
use context::Context;
pub fn file<T: Context>(mut context: T, file_name: &str) -> T {
let file = File::open(file_name).unwrap();
let mut buf_reader = BufReader::new(file);
let mut contents = String::new();
buf_reader.read_to_string(&mut contents).unwrap();
context.set_body(contents);
context
}