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-intro.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 meap/meap-code/ch2/ch2-intro.rs (limited to 'meap/meap-code/ch2/ch2-intro.rs') diff --git a/meap/meap-code/ch2/ch2-intro.rs b/meap/meap-code/ch2/ch2-intro.rs new file mode 100644 index 0000000..5162fee --- /dev/null +++ b/meap/meap-code/ch2/ch2-intro.rs @@ -0,0 +1,18 @@ +fn main() { + let start_at = 3; + let stop_at = 10; + let mut items = vec![]; + + for (i,x) in (start_at..stop_at).enumerate() { + let y = i as i64 * x; + items.push(y); + } + + println!("{:?}", items); + +//let multiples_of_10 = items.iter().filter(|&y| y % 10 == 0).map(|&y| y.clone()).collect::>(); +//let multiples_of_10: Vec<_> = items.iter().filter(|&y| y % 10 == 0).map(|&y| y.clone()).collect(); + let multiples_of_10: Vec<_> = items.into_iter().filter(|y| y % 10 == 0).collect(); + println!("{:?}", multiples_of_10); + +} -- cgit v1.2.3