group_by

gistfile1.txt

# this is my array
posts = [{"name"=> "Post1", "start_on"=>"2015-08-11 10:50:00"}, {"name"=>"Post2", "start_on"=>"2015-08-11 10:50:00"}, {"name"=> "Post3", "start_on"=>"2015-08-14 11:00:00"}, {"name"=> "Post4", "start_on"=>"2015-08-14 11:00:00"}]

# this method should group posts by start_on property
def group(posts)
   posts.group_by { |p|
       puts "TEST"
       puts p.inspect
       Time.parse(p['start_on']) 
   }
end

result = group(posts)
puts "RESULT: #{result}"

# the issue is that the 'result' is a hash whose keys are Time objects. There is no way for me to access that hash, cause I need the keys to be Strings or Symbols