Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/underglow/extensions/array.rb

Instance Method Summary collapse

Instance Method Details

#bucketize(count) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/underglow/extensions/array.rb', line 2

def bucketize(count)
  raise ArgumentError unless count.kind_of? Fixnum

  count = count.to_i

  return self if count <= 0

  j = length / count.to_f
  result = each_with_index.chunk { |_, i| (i / j).floor }.map { |_, v| v.map(&:first) }
  result << [] until result.length == count
  result
end