This API has basically been adopted from Tokio. Like most of Rust buffer types, it's "not bad" to use as a caller and "awkward" to use as a consumer. The pain

This API has basically been adopted from Tokio. Like most of Rust buffer types, it's "not bad" to use as a caller and "awkward" to use as a consumer. The pain of paying for buffer init is real, however. The last two projects have both seen perf hits from it.