feat(lib): update Tokio, bytes, http, h2, and http-body

src/common/buf.rs

@@ -1,34 +0,0 @@
-use bytes::Buf;
-use iovec::IoVec;
-
-/// A `Buf` wrapping a static byte slice.
-#[derive(Debug)]
-pub(crate) struct StaticBuf(pub(crate) &'static [u8]);
-
-impl Buf for StaticBuf {
-    #[inline]
-    fn remaining(&self) -> usize {
-        self.0.len()
-    }
-
-    #[inline]
-    fn bytes(&self) -> &[u8] {
-        self.0
-    }
-
-    #[inline]
-    fn advance(&mut self, cnt: usize) {
-        self.0 = &self.0[cnt..];
-    }
-
-    #[inline]
-    fn bytes_vec<'t>(&'t self, dst: &mut [&'t IoVec]) -> usize {
-        if dst.is_empty() || self.0.is_empty() {
-            0
-        } else {
-            dst[0] = self.0.into();
-            1
-        }
-    }
-}
-