From 67cdcc2e12118becb823e20a40cc2687f2b8425a Mon Sep 17 00:00:00 2001 From: Adam Carpenter <53hornet@gmail.com> Date: Wed, 27 Mar 2019 15:32:37 -0400 Subject: Started Rust in Action MEAP. --- meap/meap-code/ch2/ch2-read-file-iter-lines.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 meap/meap-code/ch2/ch2-read-file-iter-lines.rs (limited to 'meap/meap-code/ch2/ch2-read-file-iter-lines.rs') diff --git a/meap/meap-code/ch2/ch2-read-file-iter-lines.rs b/meap/meap-code/ch2/ch2-read-file-iter-lines.rs new file mode 100644 index 0000000..f59fa9e --- /dev/null +++ b/meap/meap-code/ch2/ch2-read-file-iter-lines.rs @@ -0,0 +1,15 @@ +#[allow(unused_mut)] + +use std::fs::File; +use std::io::BufReader; +use std::io::prelude::*; + +fn main() { + let f = File::open("readme.md").unwrap(); // <1> + let reader = BufReader::new(f); + + for line_ in reader.lines() { + let line = line_.unwrap(); + println!("{} ({} bytes long)", line, line.len()); + } +} -- cgit v1.2.3