// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #[deny(clippy::naive_bytecount)] fn main() { let x = vec![0_u8; 16]; let _ = x.iter().filter(|&&a| a == 0).count(); // naive byte count let _ = (&x[..]).iter().filter(|&a| *a == 0).count(); // naive byte count let _ = x.iter().filter(|a| **a > 0).count(); // not an equality count, OK. let _ = x.iter().map(|a| a + 1).filter(|&a| a < 15).count(); // not a slice let b = 0; let _ = x.iter().filter(|_| b > 0).count(); // woah there let _ = x.iter().filter(|_a| b == b + 1).count(); // nothing to see here, move along let _ = x.iter().filter(|a| b + 1 == **a).count(); // naive byte count let y = vec![0_u16; 3]; let _ = y.iter().filter(|&&a| a == 0).count(); // naive count, but not bytes }