Description
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.
Money-Collection alternatives and similar gems
Based on the "Money" category.
Alternatively, view Money-Collection alternatives based on common mentions on social networks and blogs.
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eu_central_bank
A gem that calculates the exchange rate using published rates from European Central Bank. Compatible with the money gem
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README
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.txt)
*Note that all licence references and agreements mentioned in the Money-Collection README section above
are relevant to that project's source code only.