mint-money

https://github.com/mpakus/mint-money

# Mint::Money Mint::Money perform currency conversion and arithmetics with different currencies. ## Installation Add this line to your application's Gemfile: ```ruby gem 'mint-money' ``` And then execute: $ bundle Or install it yourself as: $ gem install mint-money ## Usage ``` # Configure the currency rates with respect to a base currency (here EUR):   Money.conversion_rates('EUR', {   'USD'     => 1.11,   'Bitcoin' => 0.0047 }) ```   ``` # Instantiate money objects:   fifty_eur = Money.new(50, 'EUR')   # Get amount and currency:   fifty_eur.amount   # => 50 fifty_eur.currency # => "EUR" fifty_eur.inspect  # => "50.00 EUR" ```   ``` # Convert to a different currency (should return a Money # instance, not a String):   fifty_eur.convert_to('USD') # => 55.50 USD ```   ``` # Perform operations in different currencies:   twenty_dollars = Money.new(20, 'USD')   # Arithmetics:   fifty_eur + twenty_dollars # => 68.02 EUR fifty_eur - twenty_dollars # => 31.98 EUR fifty_eur / 2              # => 25 EUR twenty_dollars * 3         # => 60 USD ```   ``` # Comparisons (also in different currencies):   twenty_dollars == Money.new(20, 'USD') # => true twenty_dollars == Money.new(30, 'USD') # => false   fifty_eur_in_usd = fifty_eur.convert_to('USD') fifty_eur_in_usd == fifty_eur          # => true   twenty_dollars > Money.new(5, 'USD')   # => true twenty_dollars < fifty_eur             # => true ``` ## Development After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment. To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org). ## Contributing Bug repor...