You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.1 KiB
61 lines
1.1 KiB
use std::borrow::Borrow;
|
|
|
|
/// Iter that converts 2 `u8`s into 1 `u16`
|
|
pub struct Bit16Iter<I>
|
|
where I: Iterator,
|
|
<I as Iterator>::Item: Borrow<u8>
|
|
{
|
|
iter: I,
|
|
}
|
|
|
|
impl<I> Iterator for Bit16Iter<I>
|
|
where I: Iterator,
|
|
<I as Iterator>::Item: Borrow<u8>
|
|
{
|
|
type Item = u16;
|
|
fn next(&mut self) -> Option<Self::Item>
|
|
{
|
|
/*let mut c = 0u16;
|
|
unsafe {
|
|
if let Some(a) = self.iter.next() {
|
|
crate::reinterpret::bytes_mut(&mut c)[0] = *a.borrow();
|
|
} else {
|
|
return None;
|
|
}
|
|
if let Some(b) = self.iter.next() {
|
|
crate::reinterpret::bytes_mut(&mut c)[1] = *b.borrow();
|
|
}
|
|
}*/
|
|
let mut ar = [0u8; std::mem::size_of::<u16>()];
|
|
if let Some(a) = self.iter.next()
|
|
{
|
|
ar[0] = *a.borrow();
|
|
} else {
|
|
return None;
|
|
}
|
|
if let Some(b) = self.iter.next()
|
|
{
|
|
ar[1] = *b.borrow();
|
|
}
|
|
Some(u16::from_le_bytes(ar))
|
|
}
|
|
}
|
|
|
|
pub trait Bit16IterExt: Iterator + Sized
|
|
where <Self as Iterator>::Item: Borrow<u8>
|
|
{
|
|
fn into_16(self) -> Bit16Iter<Self>;
|
|
}
|
|
|
|
impl<I> Bit16IterExt for I
|
|
where I: Iterator,
|
|
<I as Iterator>::Item: Borrow<u8>
|
|
{
|
|
fn into_16(self) -> Bit16Iter<Self>
|
|
{
|
|
Bit16Iter{
|
|
iter: self
|
|
}
|
|
}
|
|
}
|