feat(h2): re-enable writev support

Signed-off-by: Eliza Weisman <[email protected]>

Author: hawkw

Cargo.toml

@@ -30,7 +30,7 @@ http = "0.2"
 http-body = { git = "https://github.com/hyperium/http-body" }
 httpdate = "0.3"
 httparse = "1.0"
-h2 = { git = "https://github.com/hyperium/h2", optional = true }
+h2 = { git = "https://github.com/hyperium/h2", optional = true, branch = "eliza/writev" }
 itoa = "0.4.1"
 tracing = { version = "0.1", default-features = false, features = ["log", "std"] }
 pin-project = "1.0"
@@ -248,4 +248,4 @@ required-features = ["full"]
 [[test]]
 name = "server"
 path = "tests/server.rs"
-required-features = ["full"]
+required-features = ["full"]

src/server/tcp.rs

@@ -297,7 +297,7 @@ mod addr_stream {
         fn poll_write_vectored(
             self: Pin<&mut Self>,
             cx: &mut task::Context<'_>,
-            bufs: &[io::IoVec<'_>],
+            bufs: &[io::IoSlice<'_>],
         ) -> Poll<io::Result<usize>> {
             self.project().inner.poll_write_vectored(cx, bufs)
         }