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Nick Mathewson authored
It makes sense to put the method for human-readable strings onto the type itself, so that we can format these whenever they occur. I'm choosing the "human_str" method name here, since caret-generated types already have a to_str. I was thinking about using Display, but caret types already implement that. I've also moved the message from "warn!" to "debug!", since these aren't necessarily a problem condition.
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