Function i3status_rs::blocks::net::get_wpa_ssid

fn get_wpa_ssid(dev: &NetworkDevice) -> Result<Option<String>, Error>

Attempt to get the SSID the given device is connected to from wpa_cli. Returns Err if: - wpa_cli is not a valid command - failed to spawn a wpa_cli command - wpa_cli failed to produce a valid UTF-8 SSID Returns Ok(None) if wpa_cli failed to produce a SSID.