Sha256: 1e02d191571e66815ad1595fc7d1774536290c4b3d7d50afa8a3bb9a619af570
Contents?: true
Size: 759 Bytes
Versions: 16
Compression:
Stored size: 759 Bytes
Contents
#!/usr/bin/env ruby
# CurrencyConverter -- ydim -- 01.02.2006 -- hwyss@ywesee.com
module YDIM
class MobileCurrencyConverter
def initialize(conversions={})
@conversions = conversions
end
def convert(amount, origin, target)
return amount if(origin == target)
amount.to_f * @conversions.fetch([origin, target]) {
raise "Unknown Conversion '#{origin}' -> '#{target}'"
}
end
end
class CurrencyConverter < MobileCurrencyConverter
def drb_dup
MobileCurrencyConverter.new(@conversions)
end
def known_currencies
@conversions.keys.collect { |origin, target| origin }.uniq.size
end
def store(origin, target, rate)
@conversions.store([target, origin], 1.0/rate)
@conversions.store([origin, target], rate)
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems