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ruby--ruby/test/-ext-/symbol/noninterned_name.rb

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require "-test-/symbol"
module Test_Symbol
module NonInterned
module_function
def noninterned_name(prefix = "")
prefix += "_#{Thread.current.object_id.to_s(36).tr('-', '_')}"
begin
name = "#{prefix}_#{rand(0x1000).to_s(16)}_#{Time.now.usec}"
end while Bug::Symbol.find(name)
name
end
end
end