From bf11ee6662c42e045dcfd3152758e1166a09fc3c Mon Sep 17 00:00:00 2001
From: Wu Yongwei <wuyongwei@gmail.com>
Date: Sat, 13 Jan 2018 16:12:55 +0800
Subject: [PATCH] Fix expected and unexpected comparison

p0323 currently contains a copy/paste error.
---
 tl/expected.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tl/expected.hpp b/tl/expected.hpp
index da0fd55..4f95a0f 100644
--- a/tl/expected.hpp
+++ b/tl/expected.hpp
@@ -1985,19 +1985,19 @@ constexpr bool operator!=(const U &v, const expected<T, E> &x) {
 
 template <class T, class E>
 constexpr bool operator==(const expected<T, E> &x, const unexpected<E> &e) {
-  return x.has_value() ? true : x.error() == e.value();
+  return x.has_value() ? false : x.error() == e.value();
 }
 template <class T, class E>
 constexpr bool operator==(const unexpected<E> &e, const expected<T, E> &x) {
-  return x.has_value() ? true : x.error() == e.value();
+  return x.has_value() ? false : x.error() == e.value();
 }
 template <class T, class E>
 constexpr bool operator!=(const expected<T, E> &x, const unexpected<E> &e) {
-  return x.has_value() ? false : x.error() != e.value();
+  return x.has_value() ? true : x.error() != e.value();
 }
 template <class T, class E>
 constexpr bool operator!=(const unexpected<E> &e, const expected<T, E> &x) {
-  return x.has_value() ? false : x.error() != e.value();
+  return x.has_value() ? true : x.error() != e.value();
 }
 
 // TODO is_swappable