1 // Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution.
4 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7 // option. This file may not be copied, modified, or distributed
8 // except according to those terms.
10 #![warn(clippy::all, clippy::pedantic)]
11 #![allow(clippy::missing_docs_in_private_items)]
14 let _: Vec<_> = vec![5; 6].into_iter().filter(|&x| x == 0).map(|x| x * 2).collect();
16 let _: Vec<_> = vec![5_i8; 6]
19 .flat_map(|x| x.checked_mul(2))
22 let _: Vec<_> = vec![5_i8; 6]
24 .filter_map(|x| x.checked_mul(2))
25 .flat_map(|x| x.checked_mul(2))
28 let _: Vec<_> = vec![5_i8; 6]
30 .filter_map(|x| x.checked_mul(2))
31 .map(|x| x.checked_mul(2))