implement missing functions #520

Job	Run time
Preset: gcc-release on ubuntu-latest	2m 51s
Compiler: gnu 14	1m 2s
Compiler: gnu 13	59s
Preset: gcc-debug on ubuntu-latest	1m 53s
Compiler: llvm 19	1m 2s
Build & Test: gcc 23 Default	3m 12s
Build & Test: gcc 20 Default	3m 4s
Compiler: gnu 12	1m 8s
Build & Test: gcc 20 TSan	3m 24s
Compiler: llvm 20	1m 1s
Compiler: llvm 18	1m 2s
Build & Test: clang 20 TSan	3m 46s
Compiler: llvm 17	1m 4s
Build & Test: gcc 23 TSan	3m 25s
Build & Test: gcc 23 ASan	7m 1s
Build & Test: clang 23 Default	3m 45s
Build & Test: gcc 20 ASan	6m 52s
Build & Test: clang 23 ASan	5m 47s
Build & Test: clang 20 ASan	5m 40s
Build & Test: clang 20 Default	3m 28s
Build & Test: gcc 20 Dynamic	2m 58s
Build & Test: clang 23 TSan	3m 54s
create-issue-when-fault	0s
	1h 8m 18s

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