Add more Response conversions

Author: yoshuawuyts

src/body.rs

@@ -224,6 +224,16 @@ impl From<Vec<u8>> for Body {
     }
 }
 
+impl<'a> From<&'a [u8]> for Body {
+    fn from(b: &'a [u8]) -> Self {
+        Self {
+            length: Some(b.len()),
+            reader: Box::new(io::Cursor::new(b.to_owned())),
+            mime: mime::BYTE_STREAM,
+        }
+    }
+}
+
 impl From<()> for Body {
     fn from(_: ()) -> Self {
         Self::empty()

src/response.rs

@@ -497,6 +497,12 @@ impl From<Response> for Body {
     }
 }
 
+impl From<()> for Response {
+    fn from(_: ()) -> Self {
+        Response::new(StatusCode::NoContent)
+    }
+}
+
 impl From<String> for Response {
     fn from(s: String) -> Self {
         let mut res = Response::new(StatusCode::Ok);
@@ -521,6 +527,20 @@ impl From<Vec<u8>> for Response {
     }
 }
 
+impl<'a> From<&'a [u8]> for Response {
+    fn from(b: &'a [u8]) -> Self {
+        let mut res = Response::new(StatusCode::Ok);
+        res.set_body(b);
+        res
+    }
+}
+
+impl From<StatusCode> for Response {
+    fn from(s: StatusCode) -> Self {
+        Response::new(s)
+    }
+}
+
 impl IntoIterator for Response {
     type Item = (HeaderName, Vec<HeaderValue>);
     type IntoIter = headers::IntoIter;