From b7d4ee23d859c8734ef8d625466739808093bc57 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Mon, 25 Jan 2021 14:44:09 -0500
Subject: cm::optional: Fix `-Wunused-parameter` warnings in comparison
 operators

---
 Utilities/std/cm/optional | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Utilities/std/cm/optional b/Utilities/std/cm/optional
index 0defae1..2ebc78c 100644
--- a/Utilities/std/cm/optional
+++ b/Utilities/std/cm/optional
@@ -313,7 +313,7 @@ bool operator!=(const optional<T>& opt, nullopt_t) noexcept
 }
 
 template <typename T>
-bool operator<(const optional<T>& opt, nullopt_t) noexcept
+bool operator<(const optional<T>& /*opt*/, nullopt_t) noexcept
 {
   return false;
 }
@@ -331,7 +331,7 @@ bool operator>(const optional<T>& opt, nullopt_t) noexcept
 }
 
 template <typename T>
-bool operator>=(const optional<T>& opt, nullopt_t) noexcept
+bool operator>=(const optional<T>& /*opt*/, nullopt_t) noexcept
 {
   return true;
 }
@@ -355,13 +355,13 @@ bool operator<(nullopt_t, const optional<T>& opt) noexcept
 }
 
 template <typename T>
-bool operator<=(nullopt_t, const optional<T>& opt) noexcept
+bool operator<=(nullopt_t, const optional<T>& /*opt*/) noexcept
 {
   return true;
 }
 
 template <typename T>
-bool operator>(nullopt_t, const optional<T>& opt) noexcept
+bool operator>(nullopt_t, const optional<T>& /*opt*/) noexcept
 {
   return false;
 }
-- 
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