Array

array.rb

>> (reservation.start_date...reservation.finish_date).each{|date| puts date}
2013-04-27
2013-04-28
2013-04-29
Sat, 27 Apr 2013...Tue, 30 Apr 2013

>> @array = Array.new
[]

>> (reservation.start_date...reservation.finish_date).each{|date| @array << date}
Sat, 27 Apr 2013...Tue, 30 Apr 2013

>> @array
[Sat, 27 Apr 2013, Sun, 28 Apr 2013, Mon, 29 Apr 2013]

>> @array.delete(1)
nil

>> @array
[Sat, 27 Apr 2013, Sun, 28 Apr 2013, Mon, 29 Apr 2013]

>> start = [25, 1, 5, 10]
[25, 1, 5, 10]

>> ends = [27, 5, 10, 20]
[27, 5, 10, 20]

>> start - ends
[25, 1]

>> start
[25, 1, 5, 10]

>> a = start - ends
[25, 1]

>> start -a
[5, 10]

>> start === ends
false

>> start == ends
false

>> (start & ends).each {|i| puts "The number #{i} is in the array"}
The number 5 is in the array
The number 10 is in the array
[5, 10]

>> (start & ends)
[5, 10]

>> a = (start & ends)
[5, 10]