Method operator new

cpp/src/arrow/c/bridge.cc:87–92

template <typename Derived>
struct PoolAllocationMixin {
  static void* operator new(size_t size) {
    DCHECK_EQ(size, sizeof(Derived));
    uint8_t* data;
    ARROW_CHECK_OK(default_memory_pool()->Allocate(static_cast<int64_t>(size), &data));
    return data;
  }

  static void operator delete(void* ptr) {
    default_memory_pool()->Free(reinterpret_cast<uint8_t*>(ptr), sizeof(Derived));