method
singleton_class
v1_9_3_125 -
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Class: Object
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singleton_class()
public
Returns the singleton class of obj. This method creates a new singleton class if obj does not have it.
If obj is nil, true, or false, it returns NilClass, TrueClass, or FalseClass, respectively. If obj is a Fixnum or a Symbol, it raises a TypeError.
Object.new.singleton_class #=> #<Class:#<Object:0xb7ce1e24>> String.singleton_class #=> #<Class:String> nil.singleton_class #=> NilClass