Function std::intrinsics::uninit [] [src]

pub unsafe extern "rust-intrinsic" fn uninit<T>() -> T
Unstable

Creates an uninitialized value.

uninit`uninitis unsafe because there is no guarantee of what its contents are. In particular its drop-flag may be set to any state, which means it may claim either dropped or undropped. In the general case one must use` is unsafe because there is no guarantee of what its contents are. In particular its drop-flag may be set to any state, which means it may claim either dropped or undropped. In the general case one must use ptr::write`ptr::writeto initialize memory previous set to the result of` to initialize memory previous set to the result of uninit`uninit`.