1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
use std::fmt;
use crate::platform::Iterator as PlatformIterator;
use crate::{Battery, Result};
#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
pub struct Batteries(PlatformIterator);
impl Iterator for Batteries {
type Item = Result<Battery>;
fn next(&mut self) -> Option<Self::Item> {
match self.0.next() {
Some(Ok(device)) => Some(Ok(device.into())),
Some(Err(e)) => Some(Err(e)),
None => None,
}
}
fn size_hint(&self) -> (usize, Option<usize>) {
self.0.size_hint()
}
}
impl From<PlatformIterator> for Batteries {
fn from(inner: PlatformIterator) -> Batteries {
Batteries(inner)
}
}
impl fmt::Debug for Batteries {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Batteries").field("impl", &self.0).finish()
}
}