Sha256: 26cec67e2cf45aa8a13c4fa68f157119fe46f2e1a2ea1f9750378488fd078251
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Size: 769 Bytes
Versions: 52
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Stored size: 769 Bytes
Contents
class Array
# copied from ActiveSupport CoreExtensions
def in_groups(number, fill_with = nil)
# size / number gives minor group size;
# size % number gives how many objects need extra accomodation;
# each group hold either division or division + 1 items.
division = size / number
modulo = size % number
# create a new array avoiding dup
groups = []
start = 0
number.times do |index|
length = division + (modulo > 0 && modulo > index ? 1 : 0)
padding = fill_with != false &&
modulo > 0 && length == division ? 1 : 0
groups << slice(start, length).concat([fill_with] * padding)
start += length
end
if block_given?
groups.each{|g| yield(g) }
else
groups
end
end
end
Version data entries
52 entries across 52 versions & 1 rubygems