Function openweathermap::update

pub fn update(receiver: &Receiver) -> Option<Result<CurrentWeather, String>>

Get current weather update that the spawned thread could fetched.

Parameters

• receiver: the channel receiver from preceded call to openweathermap::init()

Returng value

• ⇒ None: No update available
• ⇒ Some(Result): Update available
  • ⇒ Ok(CurrentWeather): Weather information in a nested struct called CurrentWeather (see also OpenWeatherMap documentation for details)
  • ⇒ Err(String): Error message about any occured http or json issue
    • e.g. 401 Unauthorized: if your API key is invalid
    • some json parser error message if response from OpenWeatherMap could not be parsed