Build

Convert everything to C++ #117

Job	Run time
build (ubuntu-latest, Release, gcc, g++)	46s
build (ubuntu-latest, Release, gcc, clang++)	1m 0s
build (ubuntu-latest, Release, clang, g++)	48s
build (ubuntu-latest, Release, clang, clang++)	57s
build (ubuntu-latest, Debug, gcc, g++)	24s
build (ubuntu-latest, Debug, gcc, clang++)	31s
build (ubuntu-latest, Debug, clang, g++)	23s
build (ubuntu-latest, Debug, clang, clang++)	32s
build (macos-latest, Release, gcc, g++)	34s
build (macos-latest, Release, gcc, clang++)	35s
build (macos-latest, Release, clang, g++)	33s
build (macos-latest, Release, clang, clang++)	31s
build (macos-latest, Debug, gcc, g++)	24s
build (macos-latest, Debug, gcc, clang++)	27s
build (macos-latest, Debug, clang, g++)	27s
build (macos-latest, Debug, clang, clang++)	24s
build (windows-latest, Release, gcc, g++)	1m 57s
build (windows-latest, Release, gcc, clang++)	1m 47s
build (windows-latest, Release, clang, g++)	2m 0s
build (windows-latest, Release, clang, clang++)	1m 46s
build (windows-latest, Debug, gcc, g++)	1m 15s
build (windows-latest, Debug, gcc, clang++)	1m 13s
build (windows-latest, Debug, clang, g++)	57s
build (windows-latest, Debug, clang, clang++)	1m 38s
	21m 49s

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