Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- array = [10, 20, 30, 40, 50, 55, 56, 57, 60]
- range = (1..10)
- array.group_by #=> <Enumerator: [10, 20, 30, 40, 50, 55, 56, 57, 60]:group_by>
- range.group_by #=> <Enumerator: 1..10:group_by>
- array.group_by {|x| x % 10} #=> {0=>[10, 20, 30, 40, 50, 60], 5=>[55], 6=>[56], 7=>[57]}
- range.group_by {|v| v % 2} #=> {1=>[1, 3, 5, 7, 9], 0=>[2, 4, 6, 8, 10]}
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement