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-rw-r--r--include/salticidae/ref.h2
1 files changed, 2 insertions, 0 deletions
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);