Method feature_acked

virtio-devices/src/device.rs:243–245

(&self, feature: u64)

impl VirtioCommon {
    pub fn feature_acked(&self, feature: u64) -> bool {
        self.acked_features & (1 << feature) == 1 << feature
    }

    pub fn ack_features(&mut self, value: u64) {
        let mut v = value;