[rustc.git] / vendor / flate2 / examples / zlibencoder-read.rs

extern crate flate2;

use flate2::read::ZlibEncoder;
use flate2::Compression;
use std::fs::File;
use std::io::prelude::*;

// Open file and debug print the compressed contents
fn main() {
    println!("{:?}", open_hello_world().unwrap());
}

// Opens sample file, compresses the contents and returns a Vector or error
// File implements Read
fn open_hello_world() -> std::io::Result<Vec<u8>> {
    let f = File::open("examples/hello_world.txt")?;
    let mut z = ZlibEncoder::new(f, Compression::fast());
    let mut buffer = [0; 50];
    let byte_count = z.read(&mut buffer)?;
    Ok(buffer[0..byte_count].to_vec())
}
Commit	Line	Data
ea8adc8c XL	1	extern crate flate2;
ea8adc8c XL	2
ea8adc8c	3	use flate2::read::ZlibEncoder;
60c5eb7d	4	use flate2::Compression;
ea8adc8c	5	use std::fs::File;
60c5eb7d	6	use std::io::prelude::*;
ea8adc8c XL	7
	8	// Open file and debug print the compressed contents
	9	fn main() {
	10	println!("{:?}", open_hello_world().unwrap());
	11	}
	12
	13	// Opens sample file, compresses the contents and returns a Vector or error
	14	// File implements Read
	15	fn open_hello_world() -> std::io::Result<Vec<u8>> {
	16	let f = File::open("examples/hello_world.txt")?;
ff7c6d11	17	let mut z = ZlibEncoder::new(f, Compression::fast());
b7449926	18	let mut buffer = [0; 50];
ea8adc8c XL	19	let byte_count = z.read(&mut buffer)?;
	20	Ok(buffer[0..byte_count].to_vec())
	21	}