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Allow comparison to nullptr on left side of operator

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This commit is contained in:
Josh Holtrop 2026-02-25 08:15:22 -05:00
parent d88922756d
commit b87fbc0d76
2 changed files with 14 additions and 0 deletions
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12
include/rcp.h
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@ -224,6 +224,18 @@ public:
friend rcp<V> rcp_dynamic_cast(rcp<W> && other); friend rcp<V> rcp_dynamic_cast(rcp<W> && other);
}; };
template <typename T>
bool operator==(std::nullptr_t, const rcp<T> & p)
{
return p == nullptr;
}
template <typename T>
bool operator!=(std::nullptr_t, const rcp<T> & p)
{
return p != nullptr;
}
namespace std namespace std
{ {
template <typename T> template <typename T>

2
tests.cpp
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@ -84,6 +84,8 @@ void test_booleans()
rcp<MyDerived> myderived; rcp<MyDerived> myderived;
assert(!myderived); assert(!myderived);
assert(myderived == nullptr); assert(myderived == nullptr);
assert(nullptr != mybase);
assert(nullptr == myderived);
} }
void test_create() void test_create()