From 12c0f971eef91ea04a3a2cfe1c0733924be6963a Mon Sep 17 00:00:00 2001
From: Determinant <ted.sybil@gmail.com>
Date: Tue, 2 Jul 2019 01:51:06 -0400
Subject: ...

---
 include/salticidae/ref.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include')

diff --git a/include/salticidae/ref.h b/include/salticidae/ref.h
index 9f4bfed..bb8efc0 100644
--- a/include/salticidae/ref.h
+++ b/include/salticidae/ref.h
@@ -117,6 +117,7 @@ class _BoxObj {
 template<typename T, typename D = default_delete<T>>
 class BoxObj: public _BoxObj<T, D> {
     using base_t = _BoxObj<T, D>;
+    friend std::hash<BoxObj>;
     template<typename T__, typename D__, typename T_, typename D_>
     friend BoxObj<T__, D__> static_pointer_cast(BoxObj<T_, D_> &&other);
 
@@ -133,6 +134,7 @@ class BoxObj: public _BoxObj<T, D> {
 template<typename T, typename D>
 class BoxObj<T[], D>: public _BoxObj<T, D> {
     using base_t = _BoxObj<T, D>;
+    friend std::hash<BoxObj>;
     template<typename T__, typename D__, typename T_, typename D_>
     friend BoxObj<T__, D__> static_pointer_cast(BoxObj<T_, D_> &&other);
 
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