mem_allocator_null.hxx

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#pragma once
#include <ice/mem_allocator.hxx>
 
namespace ice
{
 
    class NullAllocator final : public ice::Allocator
    {
    public:
        NullAllocator(std::source_location src_loc = std::source_location::current()) noexcept
            : ice::Allocator{ src_loc }
        { }
 
    protected:
        auto do_allocate(ice::AllocRequest) noexcept -> ice::AllocResult override
        {
            return { nullptr, 0_B, ice::ualign::invalid };
        }
 
        void do_deallocate(void*) noexcept override { }
    };
 
    static NullAllocator Global_NullAllocator{};
 
} // namespace ice