method
append_features
![No documentation Importance_0](https://d2vfyqvduarcvs.cloudfront.net/images/importance_0.png?1349367920)
append_features(cl)
public
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# File lib/mutex_m.rb, line 51 def Mutex_m.append_features(cl) # :nodoc: super define_aliases(cl) unless cl.instance_of?(Module) end