Try these commands
ruby extconf.rb
make
irb -r./example
Usage
2.2.1 :001 > Example::test
Running 11 simple tests
11 out of 11 tests passed
=> nil
Try these commands
ruby extconf.rb
make
irb -r./example
Usage
2.2.1 :001 > Example::test
Running 11 simple tests
11 out of 11 tests passed
=> nil