## Adds `Integer#nil_if_zero` and `Integer#nil_unless_zero`.

[![Gem Version](https://badge.fury.io/rb/nil-if-zero.svg)](https://badge.fury.io/rb/nil-if-zero)
[![Build Status](https://travis-ci.org/yivo/nil-if-zero.svg?branch=master)](https://travis-ci.org/yivo/nil-if-zero)

## Installing gem
Add to your Gemfile:
```ruby
gem 'nil-if-zero', '~> 1.0'
```

## Running Tests
Install bundler:
```bash
gem install bundler
```

Install dependencies:
```bash
cd nil-if-zero && bundle
```

Run tests:
```bash
cd nil-if-zero && bundle exec rake test
```