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tag 'children:slice' do |tag|
    result = []
    children = tag.locals.children

    slices = tag.attr['slices'] || 2
    slice = (children.size.to_f / slices).ceil

    children.each_slice(slice) do |children_slice|
      tag.locals.children_slice = children_slice
      result << tag.expand
    end

    result
  end

  tag 'slice:each' do |tag|
    result = []
    tag.locals.children_slice.each do |item|
      tag.locals.child = item
      tag.locals.page = item
      result << tag.expand
    end

    result
  end