/// <summary>
/// search code
/// http://developer.github.com/v3/search/#search-code
/// </summary>
/// <param name="search"></param>
/// <returns>List of files</returns>
public IObservable <SearchCodeResult> SearchCode(SearchCodeRequest search)
{
Ensure.ArgumentNotNull(search, nameof(search));
return(_client.SearchCode(search).ToObservable());
}