ruby on rails - How do I stop a pry.binding conditionally on a symbol or string? -

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I have a rail app running and I binding.pry symbol on a specific string , but I can not get the syntax here, here is my code: 

  def? (Resource, operation, option = {}) binding. Credential (option [: as]). Do each. Credential | Can = credential.can? (Resource, operations, options) can refund until that can.nil? And Neil End

I look at the break keyword in the docs, but I can not find this work in any way can anyone show me What is that syntax supposed to be?

You can just add a 

 < Code> What can DIF do? (Resource, operation, option = {}) binding. If your_condition_is_met credentials (option [: as]). Do each. Credential | Can = credential.can? (Resource, operations, options) can refund until that can.nil? And Neil End

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