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`class ExchangeRate`

A basic exchange rate for a named resource.

Definitions

`def initialize(input, output, factor)`

Signature

parameter　input　String: The name of the input resource.
parameter　output　String: The name of the output resource.
parameter　factor　Numeric: The rate of exchange.

Implementation

def initialize(input, output, factor)
	@input = input
	@output = output
	@factor = factor.to_d
end

`attr :input`

The name of the input resource.

Signature

attribute　String

`attr :output`

The name of the output resource.

Signature

attribute　String

`attr :factor`

The rate of exchange.

Signature

attribute　String