Method: Color.check_constraint

Defined in:
lib/color/util.rb

.check_constraint(val, str, minimum, maximum) ⇒ Object

should be riel



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# File 'lib/color/util.rb', line 6

def self.check_constraint(val, str, minimum, maximum)
  if val < minimum || val > maximum
    raise RuntimeError.new("#{str} must be (#{minimum} .. #{maximum}), not: #{val}")
  end
end