| extern crate flate2; |
| |
| use std::io::prelude::*; |
| use std::io; |
| use flate2::Compression; |
| use flate2::write::GzEncoder; |
| use flate2::bufread::MultiGzDecoder; |
| |
| // Compress a sample string and print it after transformation. |
| fn main() { |
| let mut e = GzEncoder::new(Vec::new(), Compression::default()); |
| e.write_all(b"Hello World").unwrap(); |
| let bytes = e.finish().unwrap(); |
| println!("{}", decode_reader(bytes).unwrap()); |
| } |
| |
| // Uncompresses a Gz Encoded vector of bytes and returns a string or error |
| // Here &[u8] implements BufRead |
| fn decode_reader(bytes: Vec<u8>) -> io::Result<String> { |
| let mut gz = MultiGzDecoder::new(&bytes[..]); |
| let mut s = String::new(); |
| gz.read_to_string(&mut s)?; |
| Ok(s) |
| } |
