Merge pull request #68 from yoshuawuyts/trailer-fixes

Trailer fixes

Author: yoshuawuyts

src/headers/to_header_values.rs

@@ -40,3 +40,14 @@ impl<'a> ToHeaderValues for &'a str {
         Ok(Some(value).into_iter())
     }
 }
+
+impl ToHeaderValues for String {
+    type Iter = option::IntoIter<HeaderValue>;
+
+    fn to_header_values(&self) -> crate::Result<Self::Iter> {
+        let value = self
+            .parse()
+            .map_err(|err| io::Error::new(io::ErrorKind::Other, err))?;
+        Ok(Some(value).into_iter())
+    }
+}

src/trailers.rs

@@ -188,7 +188,8 @@ pub struct TrailersSender {
 
 impl TrailersSender {
     /// Create a new instance of `TrailersSender`.
-    pub(crate) fn new(sender: Sender<crate::Result<Trailers>>) -> Self {
+    #[doc(hidden)]
+    pub fn new(sender: Sender<crate::Result<Trailers>>) -> Self {
         Self { sender }
     }