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AK: Really disallow making OwnPtrs from refcounted types

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This looks at three things:
- if the type has a typedef `AllowOwnPtr', respect that
- if not, disallow construction if both of `ref()' and `unref()' are
  present.
Note that in the second case, if a type only defines `ref()' or only
defines `unref()', an OwnPtr can be created, as a RefPtr of that type
would be ill-formed.

Also marks a `Performance' to explicitly allow OwnPtrs.
This commit is contained in:
AnotherTest 2020-11-03 18:21:56 +03:30 • committed by Andreas Kling
commit 060ddd2a7a
Notes: sideshowbarker 2024-07-19 01:34:11 +09:00
4 changed files with 9 additions and 2 deletions
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1
AK/RefCounted.h
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@ -65,6 +65,7 @@ class RefCountedBase {
public:
typedef unsigned int RefCountType;
using AllowOwnPtr = FalseType;
ALWAYS_INLINE void ref() const
{