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#![warn(clippy::explicit_counter_loop)]
fn main() {
let mut vec = vec![1, 2, 3, 4];
let mut _index = 0;
for _v in &vec {
_index += 1
}
let mut _index = 1;
_index = 0;
for _v in &vec {
_index += 1
}
let mut _index = 0;
for _v in &mut vec {
_index += 1;
}
let mut _index = 0;
for _v in vec {
_index += 1;
}
}
mod issue_1219 {
pub fn test() {
// should not trigger the lint because variable is used after the loop #473
let vec = vec![1, 2, 3];
let mut index = 0;
for _v in &vec {
index += 1
}
println!("index: {}", index);
// should not trigger the lint because the count is conditional #1219
let text = "banana";
let mut count = 0;
for ch in text.chars() {
if ch == 'a' {
continue;
}
count += 1;
println!("{}", count);
}
// should not trigger the lint because the count is conditional
let text = "banana";
let mut count = 0;
for ch in text.chars() {
if ch == 'a' {
count += 1;
}
println!("{}", count);
}
// should trigger the lint because the count is not conditional
let text = "banana";
let mut count = 0;
for ch in text.chars() {
count += 1;
if ch == 'a' {
continue;
}
println!("{}", count);
}
// should trigger the lint because the count is not conditional
let text = "banana";
let mut count = 0;
for ch in text.chars() {
count += 1;
for i in 0..2 {
let _ = 123;
}
println!("{}", count);
}
// should not trigger the lint because the count is incremented multiple times
let text = "banana";
let mut count = 0;
for ch in text.chars() {
count += 1;
for i in 0..2 {
count += 1;
}
println!("{}", count);
}
}
}
mod issue_3308 {
pub fn test() {
// should not trigger the lint because the count is incremented multiple times
let mut skips = 0;
let erasures = vec![];
for i in 0..10 {
while erasures.contains(&(i + skips)) {
skips += 1;
}
println!("{}", skips);
}
// should not trigger the lint because the count is incremented multiple times
let mut skips = 0;
for i in 0..10 {
let mut j = 0;
while j < 5 {
skips += 1;
j += 1;
}
println!("{}", skips);
}
// should not trigger the lint because the count is incremented multiple times
let mut skips = 0;
for i in 0..10 {
for j in 0..5 {
skips += 1;
}
println!("{}", skips);
}
}
}
mod issue_1670 {
pub fn test() {
let mut count = 0;
for _i in 3..10 {
count += 1;
}
}
}
mod issue_4732 {
pub fn test() {
let slice = &[1, 2, 3];
let mut index = 0;
// should not trigger the lint because the count is used after the loop
for _v in slice {
index += 1
}
let _closure = || println!("index: {}", index);
}
}
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