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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 }