Optimize TrustDnsResolver
#1967
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Replace use of `tokio::sync::Mutex` with `once_cell::sync::OnceCell` since there's no need for it to be `async` and thus it can just use `OnceCell` instead of `Mutex`. Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
instead of implementing `TrustDnsResolver::new()` Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
seanmonstar
approved these changes
Sep 4, 2023
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tokio::sync::Mutexwithonce_cell::sync::OnceCellsince there's no need for it to be
asyncand thus it can just useOnceCellinstead ofMutex.TrustDnsResolver: Rm use ofLazyTrustDnsResolver: Rm unnecessaryArcDefaultonTrustDnsResolver