blob: bd51e98003159df98c4bddd9867118f283aa5509 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// check-pass
#![warn(forgetting_references)]
use std::mem::forget;
struct SomeStruct;
fn main() {
forget(&SomeStruct); //~ WARN calls to `std::mem::forget`
let mut owned = SomeStruct;
forget(&owned); //~ WARN calls to `std::mem::forget`
forget(&&owned); //~ WARN calls to `std::mem::forget`
forget(&mut owned); //~ WARN calls to `std::mem::forget`
forget(owned);
let reference1 = &SomeStruct;
forget(&*reference1); //~ WARN calls to `std::mem::forget`
let reference2 = &mut SomeStruct;
forget(reference2); //~ WARN calls to `std::mem::forget`
let ref reference3 = SomeStruct;
forget(reference3); //~ WARN calls to `std::mem::forget`
}
#[allow(dead_code)]
fn test_generic_fn_forget<T>(val: T) {
forget(&val); //~ WARN calls to `std::mem::forget`
forget(val);
}
#[allow(dead_code)]
fn test_similarly_named_function() {
fn forget<T>(_val: T) {}
forget(&SomeStruct); //OK; call to unrelated function which happens to have the same name
std::mem::forget(&SomeStruct); //~ WARN calls to `std::mem::forget`
}
|
