Method: UnicodePlot::ValueTransformer#transform_values

Defined in:
lib/unicode_plot/value_transformer.rb

#transform_values(func, values) ⇒ Object 



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# File 'lib/unicode_plot/value_transformer.rb', line 12

def transform_values(func, values)
  return values unless func

  unless func.respond_to?(:call)
    func = PREDEFINED_TRANSFORM_FUNCTIONS[func]
    unless func.respond_to?(:call)
      raise ArgumentError, "func must be callable"
    end
  end

  case values
  when Numeric
    func.(values)
  else
    values.map(&func)
  end
end