58 lines
1.3 KiB
Rust
58 lines
1.3 KiB
Rust
#![warn(clippy::drop_ref, clippy::forget_ref)]
|
|
#![allow(clippy::toplevel_ref_arg, clippy::similar_names, clippy::needless_pass_by_value)]
|
|
|
|
use std::mem::{drop, forget};
|
|
|
|
struct SomeStruct;
|
|
|
|
fn main() {
|
|
drop(&SomeStruct);
|
|
forget(&SomeStruct);
|
|
|
|
let mut owned1 = SomeStruct;
|
|
drop(&owned1);
|
|
drop(&&owned1);
|
|
drop(&mut owned1);
|
|
drop(owned1); //OK
|
|
let mut owned2 = SomeStruct;
|
|
forget(&owned2);
|
|
forget(&&owned2);
|
|
forget(&mut owned2);
|
|
forget(owned2); //OK
|
|
|
|
let reference1 = &SomeStruct;
|
|
drop(reference1);
|
|
forget(&*reference1);
|
|
|
|
let reference2 = &mut SomeStruct;
|
|
drop(reference2);
|
|
let reference3 = &mut SomeStruct;
|
|
forget(reference3);
|
|
|
|
let ref reference4 = SomeStruct;
|
|
drop(reference4);
|
|
forget(reference4);
|
|
}
|
|
|
|
#[allow(dead_code)]
|
|
fn test_generic_fn_drop<T>(val: T) {
|
|
drop(&val);
|
|
drop(val); //OK
|
|
}
|
|
|
|
#[allow(dead_code)]
|
|
fn test_generic_fn_forget<T>(val: T) {
|
|
forget(&val);
|
|
forget(val); //OK
|
|
}
|
|
|
|
#[allow(dead_code)]
|
|
fn test_similarly_named_function() {
|
|
fn drop<T>(_val: T) {}
|
|
drop(&SomeStruct); //OK; call to unrelated function which happens to have the same name
|
|
std::mem::drop(&SomeStruct);
|
|
fn forget<T>(_val: T) {}
|
|
forget(&SomeStruct); //OK; call to unrelated function which happens to have the same name
|
|
std::mem::forget(&SomeStruct);
|
|
}
|