Response, Result: add From-Into for each

Related to http-rs#452

src/lib.rs

@@ -276,3 +276,9 @@ where
 
 /// A specialized Result type for Tide.
 pub type Result<T = Response> = std::result::Result<T, Error>;
+
+impl From<Response> for Result<Response> {
+ fn from(res: Response) -> Self {
+ Ok(res)
+ }
+}

src/response.rs

@@ -313,6 +313,16 @@ impl<'a> From<&'a str> for Response {
  }
 }
 
+impl<T, E> From<Result<T, E>> for Response 
+ where T: Into<Response>, E: Into<Response> {
+ fn from(result: Result<T, E>) -> Self {
+ match result {
+ Ok(ok) => ok.into(),
+ Err(err) => err.into(),
+ }
+ }
+}
+
 impl IntoIterator for Response {
  type Item = (HeaderName, HeaderValues);
  type IntoIter = http_types::headers::IntoIter;