class ChefCLI::Policyfile::Reports::TablePrinter

for each cell.
method, individual rows are printed by calling #print_row with the data
the table. Columns are defined ahead of time, by calling the #column
Defines a table with a flexible number of columns and prints rows in

def column(collection = [])

for that column when rows are printed.
of strings and the longest string is used as the left justify width
Defines a column. If a collection is given, it is mapped to an array 
def column(collection = [])
  @column_widths << (collection.map(&:to_s).map(&:size).max || 0)
end

def initialize(ui) 

def initialize(ui)
  @ui = ui
  @column_widths = []
  yield self
end

def print_row(*cells)

Print a row. 
def print_row(*cells)
  row = ""
  cells.each_with_index do |cell_data, i|
    row << cell_data.to_s.ljust(@column_widths[i])
    row << " "
  end
  ui.msg(row.strip)
end