Sort incoming headers

ehttp/src/native.rs

@@ -50,6 +50,7 @@ pub fn fetch_blocking(request: &Request) -> crate::Result<Response> {
             headers.insert(key, value.to_owned());
         }
     }
+    headers.sort(); // It reads nicer, and matches web backend.
 
     let mut reader = resp.into_reader();
     let mut bytes = vec![];

ehttp/src/streaming/native.rs

@@ -39,6 +39,7 @@ pub fn fetch_streaming_blocking(
             headers.insert(key.to_ascii_lowercase(), value.to_owned());
         }
     }
+    headers.sort(); // It reads nicer, and matches web backend.
 
     let response = PartialResponse {
         url,

ehttp/src/types.rs

@@ -56,6 +56,15 @@ impl Headers {
             .filter(move |(k, _)| k.to_lowercase() == key)
             .map(|(_, v)| v.as_str())
     }
+
+    /// Sort the headers by key.
+    ///
+    /// This makes the headers easier to read when printed out.
+    ///
+    /// `ehttp` will sort the headers in the responses.
+    pub fn sort(&mut self) {
+        self.headers.sort_by(|a, b| a.0.cmp(&b.0));
+    }
 }
 
 impl IntoIterator for Headers {