Rewrite CharParseResult in OOP style #19

Job	Run time
cpp-lib-build (macos-11, clang, ON)	4m 30s
cpp-lib-build (macos-11, clang, OFF)	8m 12s
build (macos-11, tool)	5m 20s
build (macos-11, cpp)	30m 31s
cpp-lib-build (macos-11, gcc, ON)	4m 41s
build (macos-11, csharp)	10m 34s
cpp-lib-build (macos-11, gcc, OFF)	7m 22s
build (macos-11, dart)	3m 8s
cpp-lib-build (ubuntu-20.04, clang, ON)	2m 56s
build (macos-11, go)	6m 6s
cpp-lib-build (ubuntu-20.04, clang, OFF)	4m 16s
build (macos-11, java)	3m 35s
cpp-lib-build (ubuntu-20.04, gcc, ON)	2m 27s
build (macos-11, javascript)	2m 31s
cpp-lib-build (ubuntu-20.04, gcc, OFF)	4m 13s
cpp-lib-build (windows-2022, clang, ON)	4m 44s
build (macos-11, typescript)	17m 57s
build (macos-11, php)	14m 43s
build (macos-11, python3)	2m 4s
cpp-lib-build (windows-2022, clang, OFF)	5m 29s
build (ubuntu-20.04, tool)	1m 36s
cpp-lib-build (windows-2022, cl)	4m 36s
build (ubuntu-20.04, cpp)	17m 2s
build (ubuntu-20.04, csharp)	5m 50s
build (ubuntu-20.04, dart)	3m 46s
build (ubuntu-20.04, go)	2m 54s
build (ubuntu-20.04, java)	1m 28s
build (ubuntu-20.04, javascript)	2m 1s
build (ubuntu-20.04, typescript)	10m 23s
build (ubuntu-20.04, php)	1m 59s
build (ubuntu-20.04, python3)	1m 13s
build (windows-2022, tool)	1m 55s
build (windows-2022, cpp)	23m 1s
build (windows-2022, csharp)	7m 11s
build (windows-2022, dart)	4m 17s
build (windows-2022, go)	5m 53s
build (windows-2022, java)	2m 0s
build (windows-2022, javascript)	3m 4s
build (windows-2022, typescript)	22m 38s
build (windows-2022, php)	2m 17s
build (windows-2022, python3)	1m 53s
	4h 32m 16s

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