NightVision
Peer through the darkness of running code.
Installation
Add this line to your application's Gemfile:
gem 'night_vision'
And then execute:
$ bundle
Or install it yourself as:
$ gem install night_vision
Usage
class OddEven
def odd? n
n.odd?
end
def even? n
not odd? n
end
end > o = OddEven.new
> o.odd? 1
=> false
> o.odd? 2
=> true
> NightVision.goggles(OddEven)
> o.odd? 1
"------------------------------------------------"
"Invoking OddEven#odd?"
"Actual arguments are: [1]"
"------------------------------------------------"
"------------------------------------------------"
"Returning from OddEven#odd?"
"Return value is: true"
"------------------------------------------------"
=> true
> o.odd? 2
"------------------------------------------------"
"Invoking OddEven#odd?"
"Actual arguments are: [2]"
"------------------------------------------------"
"------------------------------------------------"
"Returning from OddEven#odd?"
"Return value is: false"
"------------------------------------------------"
=> false
> o.even? 2
"------------------------------------------------"
"Invoking OddEven#even?"
"Actual arguments are: [6]"
"------------------------------------------------"
"------------------------------------------------"
"Invoking OddEven#odd?"
"Actual arguments are: [6]"
"------------------------------------------------"
"------------------------------------------------"
"Returning from OddEven#odd?"
"Return value is: false"
"------------------------------------------------"
"Returning from OddEven#even?"
"Return value is: true"
"------------------------------------------------"
=> trueContributing
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request