85 lines
1.8 KiB
Rust
85 lines
1.8 KiB
Rust
#![warn(clippy::rc_clone_in_vec_init)]
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#![allow(clippy::useless_vec)]
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use std::rc::{Rc, Weak as UnSyncWeak};
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use std::sync::{Arc, Mutex, Weak as SyncWeak};
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fn main() {}
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fn should_warn_simple_case() {
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let v = vec![SyncWeak::<u32>::new(); 2];
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let v2 = vec![UnSyncWeak::<u32>::new(); 2];
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let v = vec![Rc::downgrade(&Rc::new("x".to_string())); 2];
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let v = vec![Arc::downgrade(&Arc::new("x".to_string())); 2];
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}
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fn should_warn_simple_case_with_big_indentation() {
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if true {
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let k = 1;
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dbg!(k);
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if true {
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let v = vec![Arc::downgrade(&Arc::new("x".to_string())); 2];
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let v2 = vec![Rc::downgrade(&Rc::new("x".to_string())); 2];
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}
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}
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}
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fn should_warn_complex_case() {
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let v = vec![
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Arc::downgrade(&Arc::new(Mutex::new({
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let x = 1;
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dbg!(x);
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x
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})));
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2
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];
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let v1 = vec![
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Rc::downgrade(&Rc::new(Mutex::new({
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let x = 1;
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dbg!(x);
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x
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})));
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2
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];
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}
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fn should_not_warn_custom_weak() {
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#[derive(Clone)]
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struct Weak;
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impl Weak {
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fn new() -> Self {
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Weak
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}
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}
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let v = vec![Weak::new(); 2];
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}
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fn should_not_warn_vec_from_elem_but_not_weak() {
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let v = vec![String::new(); 2];
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let v1 = vec![1; 2];
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let v2 = vec![
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Box::new(Arc::downgrade(&Arc::new({
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let y = 3;
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dbg!(y);
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y
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})));
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2
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];
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let v3 = vec![
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Box::new(Rc::downgrade(&Rc::new({
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let y = 3;
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dbg!(y);
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y
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})));
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2
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];
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}
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fn should_not_warn_vec_macro_but_not_from_elem() {
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let v = vec![Arc::downgrade(&Arc::new("x".to_string()))];
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let v = vec![Rc::downgrade(&Rc::new("x".to_string()))];
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}
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