Function topics

backend/src/graphql/relay.rs:37–48

(
    after: Option<String>,
    before: Option<String>,
    first: Option<i32>,
    last: Option<i32>,
    topics: BTreeSet<git::Topic>,
)

}

pub async fn topics(
    after: Option<String>,
    before: Option<String>,
    first: Option<i32>,
    last: Option<i32>,
    topics: BTreeSet<git::Topic>,
) -> Result<
    Connection<String, Topic, EmptyFields, EmptyFields, DefaultConnectionName, DefaultEdgeName>,
> {
    let results = topics.iter().map(Topic::from).collect_vec();
    connection(after, before, first, last, results).await
}