From 0e8c31ae397fa2485c244802fe225865cf603a6c Mon Sep 17 00:00:00 2001
From: Lorenzo Villani <lorenzo@villani.me>
Date: Sat, 4 Feb 2017 18:38:08 +0100
Subject: [PATCH] Derive Eq and Hash for Serde<T> and add SerdeUrl type alias.

---
 url_serde/src/lib.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/url_serde/src/lib.rs b/url_serde/src/lib.rs
index bbd31acd..f0a0feb9 100644
--- a/url_serde/src/lib.rs
+++ b/url_serde/src/lib.rs
@@ -53,6 +53,7 @@ extern crate url;
 
 use std::cmp::PartialEq;
 use std::fmt;
+use std::hash::{Hash, Hasher};
 use std::ops::{Deref, DerefMut};
 use std::error::Error;
 use serde::{Deserialize, Serialize, Serializer, Deserializer};
@@ -135,11 +136,14 @@ impl Deserialize for De<Url> {
 
 
 /// A convenience wrapper to be used as a type parameter, for example when
-/// a `Vec<T>` need to be passed to serde.
-#[derive(Clone, PartialEq)]
+/// a `Vec<T>` or an `HashMap<K, V>` need to be passed to serde.
+#[derive(Clone, Eq, Hash, PartialEq)]
 pub struct Serde<T>(pub T)
     where De<T>: Deserialize, for<'a> Ser<'a, T>: Serialize;
 
+/// A convenience type alias for Serde<Url>.
+pub type SerdeUrl = Serde<Url>;
+
 impl<T> Serde<T>
 where De<T>: Deserialize, for<'a> Ser<'a, T>: Serialize
 {