class HeapInfo::Nil
Self define a nil
like class.
Can be the return value of {HeapInfo::Process#dump} and {HeapInfo::Process#dump_chunks}, to prevent use the return value for calculating accidentally while exploiting remote.
Public Instance Methods
method_missing(method_sym, *args, &block)
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Hook all missing methods @return [HeapInfo::Nil] return self
so that it can be a nil
chain. @example
# h.dump would return Nil when process not found p h.dump(:heap)[8, 8].unpack('Q*') #=> nil
Calls superclass method
# File lib/heapinfo/nil.rb, line 17 def method_missing(method_sym, *args, &block) return nil.__send__(method_sym, *args, &block) if nil.respond_to?(method_sym) self || super end
respond_to_missing?(*)
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Yap
Calls superclass method
# File lib/heapinfo/nil.rb, line 23 def respond_to_missing?(*) super end
to_ary()
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To prevent error raised when using +puts Nil.new+. @return [Array] Empty array
# File lib/heapinfo/nil.rb, line 29 def to_ary [] end