| use flate2::read::ZlibEncoder; |
| use flate2::Compression; |
| use std::fs::File; |
| use std::io::prelude::*; |
| |
| // Open file and debug print the compressed contents |
| fn main() { |
| println!("{:?}", open_hello_world().unwrap()); |
| } |
| |
| // Opens sample file, compresses the contents and returns a Vector or error |
| // File implements Read |
| fn open_hello_world() -> std::io::Result<Vec<u8>> { |
| let f = File::open("examples/hello_world.txt")?; |
| let mut z = ZlibEncoder::new(f, Compression::fast()); |
| let mut result = Vec::new(); |
| z.read_to_end(&mut result)?; |
| Ok(result) |
| } |
