class NullExpo
Public Class Methods
new()
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Calls superclass method
# File lib/null_expo.rb, line 2 def self.new @instance ||= super end
Public Instance Methods
expo(object=nil, context=nil, index=nil)
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# File lib/null_expo.rb, line 6 def expo(object=nil, context=nil, index=nil) {} end
expo_collection(coll, context)
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# File lib/null_expo.rb, line 10 def expo_collection(coll, context) [] end
inspect()
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# File lib/null_expo.rb, line 14 def inspect "nil" end