From 82120babf7fe2345275b4bcfc15129660180a008 Mon Sep 17 00:00:00 2001
From: Grant Paul <git@grantpaul.com>
Date: Sat, 13 Aug 2016 23:48:10 -0700
Subject: [PATCH] Remove operators and hash specialization for archive
 attribute lists.

These methods were unused and they made the attribute list more complex.
---
 Libraries/libcar/Headers/car/AttributeList.h | 14 --------------
 Libraries/libcar/Sources/AttributeList.cpp   | 19 -------------------
 2 files changed, 33 deletions(-)

diff --git a/Libraries/libcar/Headers/car/AttributeList.h b/Libraries/libcar/Headers/car/AttributeList.h
index 37b3115b..2cb991b6 100644
--- a/Libraries/libcar/Headers/car/AttributeList.h
+++ b/Libraries/libcar/Headers/car/AttributeList.h
@@ -39,10 +39,6 @@ private:
 public:
     AttributeList(std::unordered_map<enum car_attribute_identifier, uint16_t> const &values);
 
-public:
-    bool operator==(AttributeList const &rhs) const;
-    bool operator!=(AttributeList const &rhs) const;
-
 public:
     /*
      * Get the value of an attribute.
@@ -104,14 +100,4 @@ public:
 
 }
 
-namespace std {
-template<> struct hash<car::AttributeList>
-{
-    /*
-     * Suport using an AttributeList as a key.
-     */
-    size_t operator()(car::AttributeList const &attributes) const;
-};
-}
-
 #endif /* _LIBCAR_ATTRIBUTELIST_H */
diff --git a/Libraries/libcar/Sources/AttributeList.cpp b/Libraries/libcar/Sources/AttributeList.cpp
index b189071b..a1d6c1b0 100644
--- a/Libraries/libcar/Sources/AttributeList.cpp
+++ b/Libraries/libcar/Sources/AttributeList.cpp
@@ -17,18 +17,6 @@ AttributeList(std::unordered_map<enum car_attribute_identifier, uint16_t> const
 {
 }
 
-bool AttributeList::
-operator==(AttributeList const &rhs) const
-{
-    return _values == rhs._values;
-}
-
-bool AttributeList::
-operator!=(AttributeList const &rhs) const
-{
-    return !(*this == rhs);
-}
-
 ext::optional<uint16_t> AttributeList::
 get(enum car_attribute_identifier identifier) const
 {
@@ -88,13 +76,6 @@ Load(size_t count, struct car_attribute_pair const *pairs)
     return AttributeList(attributes);
 }
 
-size_t std::hash<AttributeList>::
-operator()(AttributeList const &attributes) const
-{
-    /* Not a great hash. */
-    return attributes.count();
-}
-
 std::vector<uint8_t> AttributeList::
 write(size_t count, uint32_t const *identifiers) const
 {