Add From impls for native_tls structs to enable creation for usage with hyper::server::Server struct (#28)

src/stream.rs

@@ -38,6 +38,24 @@ impl<T: fmt::Debug> fmt::Debug for MaybeHttpsStream<T> {
     }
 }
 
+impl<T> From<native_tls::TlsStream<T>> for MaybeHttpsStream<T> {
+    fn from(inner: native_tls::TlsStream<T>) -> Self {
+        MaybeHttpsStream::Https(TlsStream::from(inner))
+    }
+}
+
+impl<T> From<T> for MaybeHttpsStream<T> {
+    fn from(inner: T) -> Self {
+        MaybeHttpsStream::Http(inner)
+    }
+}
+
+impl<T> From<TlsStream<T>> for MaybeHttpsStream<T> {
+    fn from(inner: TlsStream<T>) -> Self {
+        MaybeHttpsStream::Https(inner)
+    }
+}
+
 impl<T: Read + Write> Read for MaybeHttpsStream<T> {
     #[inline]
     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -118,6 +136,12 @@ impl<T: fmt::Debug> fmt::Debug for TlsStream<T> {
     }
 }
 
+impl<T> From<native_tls::TlsStream<T>> for TlsStream<T> {
+    fn from(stream: native_tls::TlsStream<T>) -> Self {
+        TlsStream { inner: stream }
+    }
+}
+
 impl<T: Read + Write> Read for TlsStream<T> {
     #[inline]
     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {