Max Inden 2296a87b73
protocols/kad/behaviour: Use HashSet to deduplicate GetProviders (#1528)
Given that the order of `PeerId`s within the `GetProvidersOk.providers`
set is irrelevant but duplication is at best confusing this commit makes
use of a `HashSet` instead of a `Vec` to return unique `PeerId`s only.
2020-03-31 12:00:17 +02:00
..
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