|  | @@ -64,7 +64,7 @@ Directory structure is the layout for [ruby extensions][]
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				|  |  |  - bin: example gRPC clients and servers, e.g,
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				|  |  |  
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				|  |  |    ```ruby
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				|  |  | -  stub = Math::Math::Stub.new('my.test.math.server.com:8080')
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				|  |  | +  stub = Math::Math::Stub.new('my.test.math.server.com:8080', :this_channel_is_insecure)
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				|  |  |    req = Math::DivArgs.new(dividend: 7, divisor: 3)
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				|  |  |    GRPC.logger.info("div(7/3): req=#{req.inspect}")
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				|  |  |    resp = stub.div(req)
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