rust-clippy/tests/ui/rc_clone_in_vec_init/rc.rs
2022-05-10 15:10:13 +03:00

50 lines
884 B
Rust

#![warn(clippy::rc_clone_in_vec_init)]
use std::rc::Rc;
use std::sync::Mutex;
fn main() {}
fn should_warn_simple_case() {
let v = vec![Rc::new("x".to_string()); 2];
}
fn should_warn_complex_case() {
let v = vec![
std::rc::Rc::new(Mutex::new({
let x = 1;
dbg!(x);
x
}));
2
];
}
fn should_not_warn_custom_arc() {
#[derive(Clone)]
struct Rc;
impl Rc {
fn new() -> Self {
Rc
}
}
let v = vec![Rc::new(); 2];
}
fn should_not_warn_vec_from_elem_but_not_rc() {
let v = vec![String::new(); 2];
let v1 = vec![1; 2];
let v2 = vec![
Box::new(std::rc::Rc::new({
let y = 3;
dbg!(y);
y
}));
2
];
}
fn should_not_warn_vec_macro_but_not_from_elem() {
let v = vec![Rc::new("x".to_string())];
}