mirror of https://github.com/rust-lang/rust
40 lines
1.1 KiB
Rust
40 lines
1.1 KiB
Rust
//@ check-pass
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#![warn(forgetting_references)]
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use std::mem::forget;
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struct SomeStruct;
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fn main() {
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forget(&SomeStruct); //~ WARN calls to `std::mem::forget`
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let mut owned = SomeStruct;
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forget(&owned); //~ WARN calls to `std::mem::forget`
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forget(&&owned); //~ WARN calls to `std::mem::forget`
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forget(&mut owned); //~ WARN calls to `std::mem::forget`
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forget(owned);
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let reference1 = &SomeStruct;
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forget(&*reference1); //~ WARN calls to `std::mem::forget`
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let reference2 = &mut SomeStruct;
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forget(reference2); //~ WARN calls to `std::mem::forget`
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let ref reference3 = SomeStruct;
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forget(reference3); //~ WARN calls to `std::mem::forget`
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}
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#[allow(dead_code)]
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fn test_generic_fn_forget<T>(val: T) {
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forget(&val); //~ WARN calls to `std::mem::forget`
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forget(val);
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}
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#[allow(dead_code)]
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fn test_similarly_named_function() {
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fn forget<T>(_val: T) {}
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forget(&SomeStruct); //OK; call to unrelated function which happens to have the same name
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std::mem::forget(&SomeStruct); //~ WARN calls to `std::mem::forget`
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}
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