use std::str::FromStr; use cpal::DeviceId;use settings::{RegisterSetting, Settings}; #[derive(Clone, Debug, RegisterSetting)]pub struct AudioSettings {    /// Select specific output audio device.    pub output_audio_device: Option<DeviceId>,    /// Select specific input audio device.    pub input_audio_device: Option<DeviceId>,} /// Configuration of audio in Zedimpl Settings for AudioSettings {    fn from_settings(content: &settings::SettingsContent) -> Self {        let audio = &content.audio.as_ref().unwrap();        AudioSettings {            output_audio_device: audio                .output_audio_device                .as_ref()                .and_then(|x| x.0.as_ref().and_then(|id| DeviceId::from_str(&id).ok())),            input_audio_device: audio                .input_audio_device                .as_ref()                .and_then(|x| x.0.as_ref().and_then(|id| DeviceId::from_str(&id).ok())),        }    }}