Doing std::mem::forget is not unsafe as you cannot get any sort of undefined behavior which is what Rust protects you from [0]. Leaking is pretty safe, not alw

Doing std::mem::forget is not unsafe as you cannot get any sort of undefined behavior which is what Rust protects you from [0]. Leaking is pretty safe, not always desired but definitely not dangerous like random pointers derefs. But as OP says, leaking accidentally is uncommon. [0] https://doc.rust-lang.org/nomicon/safe-unsafe-meaning.html https://doc.rust-lang.org/nomicon/safe-unsafe-meaning.html