24 lines
697 B
Rust
24 lines
697 B
Rust
extern crate flate2;
|
|
|
|
use flate2::write::GzEncoder;
|
|
use flate2::{bufread, Compression};
|
|
use std::io;
|
|
use std::io::prelude::*;
|
|
|
|
// 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 = bufread::GzDecoder::new(&bytes[..]);
|
|
let mut s = String::new();
|
|
gz.read_to_string(&mut s)?;
|
|
Ok(s)
|
|
}
|