a crumb of extra readability #1687

Job	Run time
macOS aarch64 Sonoma	5m 42s
macOS x64 Ventura	20m 12s
macOS x64 Monterey	20m 26s
Linux x64 (g++-8)	7m 25s
Linux x64 (g++-9)	7m 46s
macOS High Sierra (Legacy) Monterey	17m 43s
Linux x64 (g++-10)	7m 40s
Windows i386	17m 56s
Linux x64 (g++-13)	7m 38s
Windows x64	17m 47s
Linux x64 (clang++-9)	7m 36s
Linux x64 (clang++-10)	7m 29s
Linux x64 (clang++-11)	7m 28s
Linux x64 (clang++-12)	8m 6s
Linux x64 (clang++-16)	7m 21s
	2h 48m 15s

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