Method: Grid#initialize

Defined in:
lib/cem/cruzzles.rb

#initialize(x, y, default = 0, &block) ⇒ Grid

Returns a new instance of Grid.



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# File 'lib/cem/cruzzles.rb', line 248

def initialize(x, y, default=0, &block)
  
  @data = []
  
  if block
  
    case block.arity
    when 0 
      y.times {
        row = []
        x.times {
          row << block.call()
        }
        @data << row
      }
    when 2 
      y.times { |iy|
        row = []
        x.times { |ix|
          row << block.call(iy, ix)
        }
        @data << row
      }
    else
      raise
    end
  
  else # if no block given

  
    y.times {
      row = []
      x.times {
        row << default
      }
      @data << row
    }
    # @data = [[default] * x] * y

  end
end