battery 0.7.4

Cross-platform information about batteries
Documentation 
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use std::fmt;
use std::ops::Deref;

use crate::{Result};
use crate::platform::traits::{BatteryManager, BatteryIterator};
use super::{iokit, IoKitIterator};

pub struct IoKitManager(iokit::IoMasterPort);

impl BatteryManager for IoKitManager {
    type Iterator = IoKitIterator;

    fn new() -> Result<Self> {
        let port = iokit::IoMasterPort::new()?;

        Ok(Self(port))
    }

    fn refresh(&self, device: &mut <Self::Iterator as BatteryIterator>::Device) -> Result<()> {
        device.refresh()
    }
}

impl Deref for IoKitManager {
    type Target = iokit::IoMasterPort;

    fn deref(&self) -> &iokit::IoMasterPort {
        &self.0
    }
}

impl fmt::Debug for IoKitManager {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.debug_struct("MacOSManager")
            .field("io_master_port", &self.0)
            .finish()
    }
}