It will be mine!
Determine whether a gem name is available using Ruby.
gem install it_will_be_minerequire 'it_will_be_mine'
it_will_be_mine?('some_witty_name') # => true
it_will_be_mine?('it_will_be_mine') # => false
# or
will_it_be_mine?('supercalifragilisticexpialidocious')