tipsy
06/09/2018, 9:35 AMlex
06/09/2018, 9:39 AMdiesieben07
06/09/2018, 9:47 AMnull
and "empty collection" can be useful values, e.g. null
meaning "not initialized yet" and "empty collection" meaning "initialized, but empty".lex
06/09/2018, 9:50 AM