Add ResultPointer. #2354

Job	Run time
Quick Checks	5s
Documentation	13m 0s
windows-2019 / Debug	5m 36s
ubuntu-22.04 / gcc / Debug	3m 5s
windows-2019 / RelWithDebInfo	6m 42s
ubuntu-22.04 / gcc / RelWithDebInfo	3m 44s
windows-2022 / Debug	5m 58s
ubuntu-20.04 / clang / Debug	14m 36s
windows-2022 / RelWithDebInfo	6m 52s
ubuntu-20.04 / clang / RelWithDebInfo	16m 10s
macos-12 / clang / Debug	14m 35s
macos-12 / clang / RelWithDebInfo	15m 21s
	1h 45m 44s

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