# File lib/vcard/vcard.rb, line 1202 def add_impp(url) # :yield: impp params = {} if block_given? x = Struct.new( :location, :preferred, :purpose ).new yield x x[:preferred] = "PREF" if x[:preferred] types = x.to_a.flatten.compact.map { |s| s.downcase }.uniq params["TYPE"] = types if types.first end @card << ::Vcard::DirectoryInfo::Field.create( "IMPP", url, params) self end