module Sequel::Plugins::Units::InstanceMethods
Private Instance Methods
_generate_units(scalar_method, unit_method, inverse_unit_method, target_unit)
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# File lib/sequel/plugins/units/instance_methods.rb, line 7 def _generate_units(scalar_method, unit_method, inverse_unit_method, target_unit) scalar = _validate_scalar(send(scalar_method)) unit = _validate_unit(send(unit_method)) inverse_unit = inverse_unit_method ? "#{send(inverse_unit_method)}^-1" : nil new_units = Unit.new("#{scalar} #{unit} #{inverse_unit}".strip) target_unit ? new_units.convert_to(target_unit) : new_units end
_validate_scalar(scalar)
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# File lib/sequel/plugins/units/instance_methods.rb, line 15 def _validate_scalar(scalar) raise ArgumentError, "#{scalar} is not a numeric value" unless scalar.is_a?(Numeric) scalar end
_validate_unit(unit)
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# File lib/sequel/plugins/units/instance_methods.rb, line 20 def _validate_unit(unit) raise ArgumentError, "#{unit} is not a string" unless unit.is_a?(String) unit end