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Money::Collection

Calculating sum/min/max on a bunch of Money objects, with accuracy and efficiency.

This is achieved by minimizing number of currency conversions and object creations.

For large collections, sum/min/max can perform up to 4 times as fast. For small collections (n<10), it can perform at least 2 times as fast.

Installation

Add this line to your application's Gemfile:

gem 'money-collection'

And then execute:

$ bundle

Or install it yourself as:

$ gem install money-collection

Usage

Here is the demo of the Money::Collection library:

require 'money'
require 'money/collection'

c = Money::Collection.new( [money1, money2] )
c << money3
c.concat [money4, money5]

c.sum
c.sum('TWD') # returns sum in TWD currency.
c.max
c.min

For more, please check the API documentation.

Contributing

The followings areas can use some of your expertise:

  • Benchmarking, including comparison between commits.
  • Accuracy improvement
  • Optimization

License

MIT License (See LICENSE)