heveanly 0.1.0

C is the heavenly option
Documentation 
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use core::fmt;
use core::marker::PhantomData;
use core::mem::MaybeUninit;
use core::slice;

#[repr(C)]
#[derive(Clone, Copy)]
pub struct Iovec<'a> {
   ptr: *const u8,
   len: usize,
   _p: PhantomData<&'a [u8]>,
}

impl<'a> Iovec<'a> {
   #[inline(always)]
   pub fn new(buf: &'a [u8]) -> Self {
      Self { ptr: buf.as_ptr(), len: buf.len(), _p: PhantomData }
   }

   #[inline(always)]
   pub fn as_slice(&self) -> &'a [u8] {
      unsafe { slice::from_raw_parts(self.ptr, self.len) }
   }
}

impl fmt::Debug for Iovec<'_> {
   fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
      fmt::Debug::fmt(self.as_slice(), f)
   }
}

#[repr(C)]
#[derive(Clone, Copy)]
pub struct IovecMut<'a> {
   ptr: *mut MaybeUninit<u8>,
   len: usize,
   _p: PhantomData<&'a mut [u8]>,
}

impl<'a> IovecMut<'a> {
   #[inline(always)]
   pub fn new(buf: &'a mut [MaybeUninit<u8>]) -> Self {
      Self { ptr: buf.as_mut_ptr(), len: buf.len(), _p: PhantomData }
   }

   #[inline(always)]
   pub fn as_slice(&self) -> &'a [MaybeUninit<u8>] {
      unsafe { slice::from_raw_parts(self.ptr, self.len) }
   }

   #[inline(always)]
   pub fn as_mut_slice(&mut self) -> &'a mut [MaybeUninit<u8>] {
      unsafe { slice::from_raw_parts_mut(self.ptr, self.len) }
   }
}

impl fmt::Debug for IovecMut<'_> {
   fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
      fmt::Debug::fmt(self.as_slice(), f)
   }
}