ndless 0.8.8

Rust library for interacting with Ndless for the TI-Nspire
Documentation 
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use core::marker::PhantomData;
use core::slice;

use crate::libc::{c_void, iovec};

#[repr(transparent)]
pub struct IoSlice<'a> {
	vec: iovec,
	_p: PhantomData<&'a [u8]>,
}

impl<'a> IoSlice<'a> {
	#[inline]
	pub fn new(buf: &'a [u8]) -> IoSlice<'a> {
		IoSlice {
			vec: iovec {
				iov_base: buf.as_ptr() as *mut u8 as *mut c_void,
				iov_len: buf.len(),
			},
			_p: PhantomData,
		}
	}

	#[inline]
	pub fn as_slice(&self) -> &[u8] {
		unsafe { slice::from_raw_parts(self.vec.iov_base as *mut u8, self.vec.iov_len) }
	}
}

pub struct IoSliceMut<'a> {
	vec: iovec,
	_p: PhantomData<&'a mut [u8]>,
}

impl<'a> IoSliceMut<'a> {
	#[inline]
	pub fn new(buf: &'a mut [u8]) -> IoSliceMut<'a> {
		IoSliceMut {
			vec: iovec {
				iov_base: buf.as_mut_ptr() as *mut c_void,
				iov_len: buf.len(),
			},
			_p: PhantomData,
		}
	}

	#[inline]
	pub fn as_slice(&self) -> &[u8] {
		unsafe { slice::from_raw_parts(self.vec.iov_base as *mut u8, self.vec.iov_len) }
	}

	#[inline]
	pub fn as_mut_slice(&mut self) -> &mut [u8] {
		unsafe { slice::from_raw_parts_mut(self.vec.iov_base as *mut u8, self.vec.iov_len) }
	}
}