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//@ 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`
let ref reference4 = SomeStruct;
let a = 1;
match a {
1 => forget(&*reference1), //~ WARN calls to `std::mem::forget`
2 => forget(reference3), //~ WARN calls to `std::mem::forget`
3 => forget(reference4), //~ 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`
}
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