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added tests

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This commit is contained in:
pc-linux 2023-09-22 18:04:57 +02:00
parent 85801f55ef
commit ab51f66ec0
2 changed files with 24 additions and 4 deletions
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12
tests/ui/needless_pass_by_ref_mut.rs
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@ -230,6 +230,18 @@ async fn async_vec(b: &mut Vec<bool>) {
async fn async_vec2(b: &mut Vec<bool>) {
b.push(true);
}
fn non_mut(n: &str) {}
//Should warn
pub async fn call_in_closure1(n: &mut str) {
(|| non_mut(n))()
}
fn str_mut(str: &mut String) -> bool {
str.pop().is_some()
}
//Should not warn
pub async fn call_in_closure2(str: &mut String) {
(|| str_mut(str))();
}
// Should not warn.
pub async fn closure(n: &mut usize) -> impl '_ + FnMut() {

16
tests/ui/needless_pass_by_ref_mut.stderr
View File

@ -108,7 +108,15 @@ LL | async fn inner_async3(x: &mut i32, y: &mut u32) {
| ^^^^^^^^ help: consider changing to: `&i32`
error: this argument is a mutable reference, but not used mutably
--> $DIR/needless_pass_by_ref_mut.rs:235:25
--> $DIR/needless_pass_by_ref_mut.rs:235:34
|
LL | pub async fn call_in_closure1(n: &mut str) {
| ^^^^^^^^ help: consider changing to: `&str`
|
= warning: changing this function will impact semver compatibility
error: this argument is a mutable reference, but not used mutably
--> $DIR/needless_pass_by_ref_mut.rs:247:25
|
LL | pub async fn closure(n: &mut usize) -> impl '_ + FnMut() {
| ^^^^^^^^^^ help: consider changing to: `&usize`
@ -116,7 +124,7 @@ LL | pub async fn closure(n: &mut usize) -> impl '_ + FnMut() {
= warning: changing this function will impact semver compatibility
error: this argument is a mutable reference, but not used mutably
--> $DIR/needless_pass_by_ref_mut.rs:242:20
--> $DIR/needless_pass_by_ref_mut.rs:254:20
|
LL | pub fn closure2(n: &mut usize) -> impl '_ + FnMut() -> usize {
| ^^^^^^^^^^ help: consider changing to: `&usize`
@ -124,12 +132,12 @@ LL | pub fn closure2(n: &mut usize) -> impl '_ + FnMut() -> usize {
= warning: changing this function will impact semver compatibility
error: this argument is a mutable reference, but not used mutably
--> $DIR/needless_pass_by_ref_mut.rs:253:26
--> $DIR/needless_pass_by_ref_mut.rs:265:26
|
LL | pub async fn closure4(n: &mut usize) {
| ^^^^^^^^^^ help: consider changing to: `&usize`
|
= warning: changing this function will impact semver compatibility
error: aborting due to 20 previous errors
error: aborting due to 21 previous errors