Add missing TryFrom<String> and TryFrom<Vec<u8>> impls. (#477)

Also fix PathAndQuery's TryFrom<String> impl to not copy the bytes into
a new Bytes.

src/uri/authority.rs

@@ -442,6 +442,24 @@ impl<'a> TryFrom<&'a str> for Authority {
     }
 }
 
+impl TryFrom<Vec<u8>> for Authority {
+    type Error = InvalidUri;
+
+    #[inline]
+    fn try_from(vec: Vec<u8>) -> Result<Self, Self::Error> {
+        Authority::from_shared(vec.into())
+    }
+}
+
+impl TryFrom<String> for Authority {
+    type Error = InvalidUri;
+
+    #[inline]
+    fn try_from(t: String) -> Result<Self, Self::Error> {
+        Authority::from_shared(t.into())
+    }
+}
+
 impl FromStr for Authority {
     type Err = InvalidUri;
 

src/uri/mod.rs

@@ -711,6 +711,15 @@ impl TryFrom<String> for Uri {
     }
 }
 
+impl<'a> TryFrom<Vec<u8>> for Uri {
+    type Error = InvalidUri;
+
+    #[inline]
+    fn try_from(vec: Vec<u8>) -> Result<Self, Self::Error> {
+        Uri::from_shared(Bytes::from(vec))
+    }
+}
+
 impl TryFrom<Parts> for Uri {
     type Error = InvalidUriParts;
 

src/uri/path.rs

@@ -291,11 +291,19 @@ impl<'a> TryFrom<&'a str> for PathAndQuery {
     }
 }
 
+impl<'a> TryFrom<Vec<u8>> for PathAndQuery {
+    type Error = InvalidUri;
+    #[inline]
+    fn try_from(vec: Vec<u8>) -> Result<Self, Self::Error> {
+        PathAndQuery::from_shared(vec.into())
+    }
+}
+
 impl TryFrom<String> for PathAndQuery {
     type Error = InvalidUri;
     #[inline]
     fn try_from(s: String) -> Result<Self, Self::Error> {
-        TryFrom::try_from(s.as_bytes())
+        PathAndQuery::from_shared(s.into())
     }
 }