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    Use a React Context Consumer Outside of the Matching Provider


    You may come upon a case where you have a generic component that can consume a Context, but doesn’t require that Context in order to work. On the flip side, you may want to validate that a component is always used inside a required parent Context. In this lesson we’ll see how to set a default value on a Provider and access that default in the Consumer, as well as how to validate that a Consumer is used correctly, by checking the value it receives and throwing an error if it is missing.