acts_as_nested_by 0.1.4
The acts_as_nested_by class method add 3 instance methods to the model. nested_by_nesting_model=(flag) sets the nesting_model nested_by_nesting_model returns true if nested_by nesting_model nested_by_nesting_model? alias for nested_by_nesting_model
          Gemfile:
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          安裝:
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      Runtime 相依性套件 (1):
            activerecord
            >= 0
          
    Development 相依性套件 (2):
            shoulda
            >= 0
          
          
            sqlite3-ruby
            >= 0
          
    