Method Allocate

cpp/src/arrow/stl_allocator.h:117–125

  using MemoryPool::Reallocate;

  Status Allocate(int64_t size, int64_t /*alignment*/, uint8_t** out) override {
    try {
      *out = alloc_.allocate(size);
    } catch (std::bad_alloc& e) {
      return Status::OutOfMemory(e.what());
    }
    stats_.DidAllocateBytes(size);
    return Status::OK();
  }

  Status Reallocate(int64_t old_size, int64_t new_size, int64_t /*alignment*/,
                    uint8_t** ptr) override {