RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 00:27:45 +00:00
Code Issues Activity Actions

AK+Kernel: Make IntrusiveList capable of holding non-raw pointers

Browse source 
This should allow creating intrusive lists that have smart pointers,
while remaining free (compared to the impl before this commit) when
holding raw pointers :^)
As a sidenote, this also adds a `RawPtr<T>` type, which is just
equivalent to `T*`.
Note that this does not actually use such functionality, but is only
expected to pave the way for #6369, to replace NonnullRefPtrVector<T>
with intrusive lists.

As it is with zero-cost things, this makes the interface a bit less nice
by requiring the type name of what an `IntrusiveListNode` holds (and
optionally its container, if not RawPtr), and also requiring the type of
the container (normally `RawPtr`) on the `IntrusiveList` instance.
This commit is contained in:
AnotherTest 2021-04-16 16:33:24 +04:30 • committed by Andreas Kling
parent fb814ee720
commit e4412f1f59
11 changed files with 143 additions and 80 deletions
Download patch file Download diff file Expand all files Collapse all files

11
AK/StdLibExtras.h
View file

@ -49,6 +49,13 @@ constexpr T&& move(T& arg)
using std::move;
namespace AK::Detail {
template<typename T>
struct _RawPtr {
using Type = T*;
};
}
namespace AK {
template<typename T>
@ -122,6 +129,9 @@ constexpr T exchange(T& slot, U&& value)
return old_value;
}
template<typename T>
using RawPtr = typename Detail::_RawPtr<T>::Type;
}
using AK::array_size;
@ -132,4 +142,5 @@ using AK::exchange;
using AK::forward;
using AK::max;
using AK::min;
using AK::RawPtr;
using AK::swap;