v2.2.1 - Show latest stable - 0 notes - Class: ActionController::Routing::Route
extra_keys(hash, recall = {}) private

Determine which keys in the given hash are "extra". Extra keys are those that were not used to generate a particular route. The extra keys also do not include those recalled from the prior request, nor do they include any keys that were implied in the route (like a :controller that is required, but not explicitly used in the text of the route.)

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