From b60f7d4136a51b457ae72dfa3e6b8dd5b855139d Mon Sep 17 00:00:00 2001
From: Kuba Sunderland-Ober <kuba@mareimbrium.org>
Date: Tue, 20 Jun 2023 16:35:03 -0400
Subject: [PATCH] Make comparison operators const.

---
 common/tool/selection.cpp                | 2 +-
 include/enum_vector.h                    | 4 ++--
 include/tool/selection.h                 | 2 +-
 pcbnew/dialogs/dialog_board_statistics.h | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/common/tool/selection.cpp b/common/tool/selection.cpp
index db233335eb..dec4a25cf6 100644
--- a/common/tool/selection.cpp
+++ b/common/tool/selection.cpp
@@ -29,7 +29,7 @@
 #include <tool/selection.h>
 
 
-bool SELECTION::operator==( const SELECTION& aOther )
+bool SELECTION::operator==( const SELECTION& aOther ) const
 {
     return ( m_items == aOther.m_items
              && m_itemsOrders == aOther.m_itemsOrders
diff --git a/include/enum_vector.h b/include/enum_vector.h
index 62da55df00..afb224da1b 100644
--- a/include/enum_vector.h
+++ b/include/enum_vector.h
@@ -92,8 +92,8 @@ public:
     T operator*() { return static_cast<T>( val ); }
     ENUM_ITERATOR begin() { return *this; }
     ENUM_ITERATOR end() { return ENUM_ITERATOR( endVal ); }
-    bool operator==( const ENUM_ITERATOR& aIt ) { return val == aIt.val; }
-    bool operator!=( const ENUM_ITERATOR& aIt ) { return val != aIt.val; }
+    bool operator==( const ENUM_ITERATOR& aIt ) const { return val == aIt.val; }
+    bool operator!=( const ENUM_ITERATOR& aIt ) const { return val != aIt.val; }
 };
 
 #endif /* ENUM_VECTOR_H */
diff --git a/include/tool/selection.h b/include/tool/selection.h
index 8989d838cc..e6cd075408 100644
--- a/include/tool/selection.h
+++ b/include/tool/selection.h
@@ -65,7 +65,7 @@ public:
         return *this;
     }
 
-    bool operator==( const SELECTION& aOther );
+    bool operator==( const SELECTION& aOther ) const;
 
     using ITER = std::deque<EDA_ITEM*>::iterator;
     using CITER = std::deque<EDA_ITEM*>::const_iterator;
diff --git a/pcbnew/dialogs/dialog_board_statistics.h b/pcbnew/dialogs/dialog_board_statistics.h
index b58f54b82a..f19bd7906a 100644
--- a/pcbnew/dialogs/dialog_board_statistics.h
+++ b/pcbnew/dialogs/dialog_board_statistics.h
@@ -110,7 +110,7 @@ public:
         {
         }
 
-        bool operator==( const DRILL_LINE_ITEM& other )
+        bool operator==( const DRILL_LINE_ITEM& other ) const
         {
             return xSize == other.xSize && ySize == other.ySize && shape == other.shape
                    && isPlated == other.isPlated && isPad == other.isPad