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Diffstat (limited to '')
-rw-r--r-- | third_party/rust/flate2/examples/deflatedecoder-bufread.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/third_party/rust/flate2/examples/deflatedecoder-bufread.rs b/third_party/rust/flate2/examples/deflatedecoder-bufread.rs new file mode 100644 index 0000000000..7d1cb6fd90 --- /dev/null +++ b/third_party/rust/flate2/examples/deflatedecoder-bufread.rs @@ -0,0 +1,24 @@ +extern crate flate2; + +use flate2::bufread::DeflateDecoder; +use flate2::write::DeflateEncoder; +use flate2::Compression; +use std::io; +use std::io::prelude::*; + +// Compress a sample string and print it after transformation. +fn main() { + let mut e = DeflateEncoder::new(Vec::new(), Compression::default()); + e.write_all(b"Hello World").unwrap(); + let bytes = e.finish().unwrap(); + println!("{}", decode_reader(bytes).unwrap()); +} + +// Uncompresses a Deflate Encoded vector of bytes and returns a string or error +// Here &[u8] implements Read +fn decode_reader(bytes: Vec<u8>) -> io::Result<String> { + let mut deflater = DeflateDecoder::new(&bytes[..]); + let mut s = String::new(); + deflater.read_to_string(&mut s)?; + Ok(s) +} |