parndt / double_or_nothing

Calculates the date when somebody will be twice the age of somebody else.

Double Or Nothing

Figure out the exact date when somebody will be twice your age.

Installation

Add this line to your application's Gemfile:

gem 'double_or_nothing'

And then execute:

$ bundle

Or install it yourself as:

$ gem install double_or_nothing

Usage

require 'double_or_nothing'

alice = DoubleOrNothing::Person.new("2000-01-01")
bob = DoubleOrNothing::Person.new("1985-01-01")

DoubleOrNothing::Calculator.new(alice, bob).call
#=> #<Date: 2014-12-31 ((2457023j,0s,0n),+0s,2299161j)>

DoubleOrNothing::Calculator.new(alice, bob).difference
#=> (5478/1)

Web Usage

An example website can be found at https://github.com/parndt/double_or_nothing-web. This is currently running at https://double-or-nothing.herokuapp.com - enjoy!

Contributing

1. Fork it ( https://github.com/parndt/double_or_nothing/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request