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February 1, 2013 07:54
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require 'bundler' | |
Bundler.require(:default) | |
# Currency | |
# | |
# A transaction currency. | |
# | |
class Currency | |
attr_reader :exchange_rate | |
# converts an amount from an original currency to this one | |
# curr can be either a String or a Currency | |
# | |
# @example | |
# def foo() | |
# puts "hello!" | |
# end | |
# @param curr [String] the source currency code | |
# @param amt [Float] the amount to convert | |
# @return [Float] the normalized amount | |
# @see #to | |
def from(curr, amt) | |
c = curr.is_a?(String) ? Currency[curr] : curr | |
(c.normalize(amt) * self.rate).round(2) | |
end | |
# converts an amount from this currency to another one | |
# curr can be a String or a Currency | |
# | |
# @see Currency::Appendix_2 Appendix: Currencies | |
def to(curr, amt) | |
c = curr.is_a?(String) ? Currency[curr] : curr | |
c.from(self, amt) | |
end | |
# converts the given amount to USD based on this currency rate | |
def normalize(amt) | |
amt / self.rate | |
end | |
alias_method :n, :normalize | |
# koo | |
class Tester | |
def foo | |
end | |
class Kaboom | |
def foo | |
end | |
# @appendix Appendix: KABOOM! | |
# | |
# DOM DOM | |
end | |
# @appendix Appendix: Foobar | |
# | |
# Adooken. | |
end | |
# BOOYAH | |
def bar | |
end | |
# @appendix Appendix: Currencies | |
# | |
# This is an appendix entry. | |
# | |
# {include:file:test.md} | |
# | |
# @appendix Appendix: Gooka | |
# | |
# This is **another appendix** entry. | |
# | |
# @example | |
# def foo() | |
# puts "hello!" | |
# end | |
# | |
# @see Currency | |
# | |
# Lorem ipsum | |
# Vestibulum | |
# Nunc iaculis sapien | |
# | |
# You can also check out Tester for more information. | |
# | |
# @see Tester | |
# @see Currency#from | |
# | |
end |
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