123 lines
3.3 KiB
Rust
123 lines
3.3 KiB
Rust
// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![warn(clippy::explicit_counter_loop)]
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fn main() {
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let mut vec = vec![1, 2, 3, 4];
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let mut _index = 0;
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for _v in &vec {
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_index += 1
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}
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let mut _index = 1;
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_index = 0;
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for _v in &vec {
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_index += 1
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}
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}
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mod issue_1219 {
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pub fn test() {
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// should not trigger the lint because variable is used after the loop #473
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let vec = vec![1,2,3];
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let mut index = 0;
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for _v in &vec { index += 1 }
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println!("index: {}", index);
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// should not trigger the lint because the count is conditional #1219
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let text = "banana";
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let mut count = 0;
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for ch in text.chars() {
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if ch == 'a' {
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continue;
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}
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count += 1;
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println!("{}", count);
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}
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// should not trigger the lint because the count is conditional
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let text = "banana";
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let mut count = 0;
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for ch in text.chars() {
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if ch == 'a' {
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count += 1;
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}
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println!("{}", count);
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}
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// should trigger the lint because the count is not conditional
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let text = "banana";
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let mut count = 0;
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for ch in text.chars() {
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count += 1;
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if ch == 'a' {
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continue;
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}
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println!("{}", count);
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}
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// should trigger the lint because the count is not conditional
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let text = "banana";
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let mut count = 0;
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for ch in text.chars() {
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count += 1;
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for i in 0..2 {
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let _ = 123;
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}
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println!("{}", count);
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}
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// should not trigger the lint because the count is incremented multiple times
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let text = "banana";
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let mut count = 0;
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for ch in text.chars() {
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count += 1;
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for i in 0..2 {
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count += 1;
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}
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println!("{}", count);
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}
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}
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}
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mod issue_3308 {
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pub fn test() {
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// should not trigger the lint because the count is incremented multiple times
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let mut skips = 0;
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let erasures = vec![];
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for i in 0..10 {
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while erasures.contains(&(i + skips)) {
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skips += 1;
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}
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println!("{}", skips);
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}
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// should not trigger the lint because the count is incremented multiple times
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let mut skips = 0;
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for i in 0..10 {
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let mut j = 0;
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while j < 5 {
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skips += 1;
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j += 1;
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}
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println!("{}", skips);
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}
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// should not trigger the lint because the count is incremented multiple times
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let mut skips = 0;
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for i in 0..10 {
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for j in 0..5 {
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skips += 1;
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}
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println!("{}", skips);
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}
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}
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}
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