23 lines
721 B
Rust
23 lines
721 B
Rust
use flate2::bufread::DeflateDecoder;
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use flate2::write::DeflateEncoder;
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use flate2::Compression;
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use std::io;
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use std::io::prelude::*;
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// Compress a sample string and print it after transformation.
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fn main() {
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let mut e = DeflateEncoder::new(Vec::new(), Compression::default());
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e.write_all(b"Hello World").unwrap();
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let bytes = e.finish().unwrap();
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println!("{}", decode_reader(bytes).unwrap());
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}
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// Uncompresses a Deflate Encoded vector of bytes and returns a string or error
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// Here &[u8] implements Read
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fn decode_reader(bytes: Vec<u8>) -> io::Result<String> {
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let mut deflater = DeflateDecoder::new(&bytes[..]);
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let mut s = String::new();
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deflater.read_to_string(&mut s)?;
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Ok(s)
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}
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