Vendor things

third-party/vendor/flate2/examples/zlibdecoder-write.rs

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+use flate2::write::ZlibDecoder;
+use flate2::write::ZlibEncoder;
+use flate2::Compression;
+use std::io;
+use std::io::prelude::*;
+
+// Compress a sample string and print it after transformation.
+fn main() {
+    let mut e = ZlibEncoder::new(Vec::new(), Compression::default());
+    e.write_all(b"Hello World").unwrap();
+    let bytes = e.finish().unwrap();
+    println!("{}", decode_reader(bytes).unwrap());
+}
+
+// Uncompresses a Zlib Encoded vector of bytes and returns a string or error
+// Here Vec<u8> implements Write
+fn decode_reader(bytes: Vec<u8>) -> io::Result<String> {
+    let mut writer = Vec::new();
+    let mut z = ZlibDecoder::new(writer);
+    z.write_all(&bytes[..])?;
+    writer = z.finish()?;
+    let return_string = String::from_utf8(writer).expect("String parsing error");
+    Ok(return_string)
+}