On 8/22/2016 8:54 AM, Michael Orlitzky wrote:
That's an easy mistake to make. The empty set is {}, the set that contains only the empty set is {{}}. Sets are discrete elements that don't get "flattened".On 08/21/2016 03:22 PM, Damian wrote:There is no such set B, as it would contain itself.The empty set contains itself.
In perl syntactic lists do get flattened though, which leads to some fun times. You can do silly things like @concatenated = (@listOne, @listTwo).