/// Create a uninitialized `Vec<u8>` filled with undefined data.
////// Safety: The caller must ensure that the returned `Vec<u8>` is not used before initialized.
#[allow(clippy::uninit_vec)]pub(crate)fnnew_uninitialized(size:usize)->Vec<u8>{letmut b =Vec::with_capacity(size);unsafe{
b.set_len(size);}
b
}