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LibCore: Add Core::Object::try_add<T>(...)
This is a fallible version of add<T>(...) that returns ErrorOr<T>. It can be used together with TRY() to handle allocation failures when instantiating new Core::Objects.
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2 changed files with 18 additions and 2 deletions
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@ -73,14 +73,20 @@ void Object::event(Core::Event& event)
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}
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}
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void Object::add_child(Object& object)
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ErrorOr<void> Object::try_add_child(Object& object)
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{
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// FIXME: Should we support reparenting objects?
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VERIFY(!object.parent() || object.parent() == this);
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TRY(m_children.try_append(object));
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object.m_parent = this;
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m_children.append(object);
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Core::ChildEvent child_event(Core::Event::ChildAdded, object);
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event(child_event);
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return {};
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}
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void Object::add_child(Object& object)
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{
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MUST(try_add_child(object));
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}
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void Object::insert_child_before(Object& new_child, Object& before_child)
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