class String

# File lib/emoji.rb, line 2
def to_emoji
    case self
    when 'thunderstorm'
        "\u{26A1}"
    when 'light rain'
        "\u{1F326}" 
    when 'rain'
        "\u{2614}" 
    when 'clear sky'
        "\u{1F31E}"
    when 'few clouds'
        "\u{26C5}"
    when 'scattered clouds'
        "\u{1F324}"
    when 'broken clouds'
        "\u{1F325}"
    when 'overcast clouds'
        "\u{2601}" 
    when 'tornado'
        "\u{1F32A}"
    when 'cold'
        "\u{2744}"
    when 'hot'
        "\u{1F525}"
    when 'windy'
        "\u{1F32C}"
    when 'hail'
        "\u{1F30A}"
    else
        "\u{1F30A}" # error
    end
end