Improve code readability by using concepts where appropriate #394

Job	Run time
windows-msvc-shared (CBOR)	9m 24s
windows-msvc-shared (CAPNPROTO)	7m 58s
windows-msvc-shared (JSON)	12m 44s
windows-msvc-shared (MSGPACK)	4m 14s
windows-msvc-shared (AVRO)	6m 57s
windows-msvc-shared (FLEXBUFFERS)	6m 21s
windows-msvc-shared (YAML)	4m 10s
windows-msvc-shared (PARQUET)	38m 50s
windows-msvc-shared (TOML)	3m 46s
windows-msvc-shared (UBJSON)	6m 32s
windows-msvc-shared (XML)	3m 47s
windows-msvc (XML)	3m 56s
windows-msvc (AVRO)	7m 5s
windows-msvc (FLEXBUFFERS)	5m 26s
windows-msvc (UBJSON)	7m 29s
windows-msvc (CAPNPROTO)	8m 50s
windows-msvc (YAML)	4m 3s
windows-msvc (CBOR)	8m 5s
windows-msvc (benchmarks)	49m 52s
windows-msvc (MSGPACK)	3m 57s
windows-msvc (JSON)	10m 19s
windows-msvc (PARQUET)	39m 36s
windows-msvc (TOML)	3m 48s
	4h 17m 9s

Provide feedback