vendor/flate2/examples/gzencoder-read.rs

   1 extern crate flate2;
   2
   3 use flate2::read::GzEncoder;
   4 use flate2::Compression;
   5 use std::io;
   6 use std::io::prelude::*;
   7
   8 // Print the GZ compressed representation of hello world
   9 fn main() {
  10     println!("{:?}", gzencoder_read_hello_world().unwrap());
  11 }
  12
  13 // Return a vector containing the GZ compressed version of hello world
  14 fn gzencoder_read_hello_world() -> io::Result<Vec<u8>> {
  15     let mut ret_vec = [0; 100];
  16     let c = b"hello world";
  17     let mut z = GzEncoder::new(&c[..], Compression::fast());
  18     let count = z.read(&mut ret_vec)?;
  19     Ok(ret_vec[0..count].to_vec())
  20 }