Simplifies the connect operations. #531

Job	Run time
B2 msvc-14.2	8m 20s
B2 gcc-11	4m 47s
B2 msvc-14.3	7m 30s
B2 clang-14	5m 12s
CMake msvc-14.2 Debug C++17	7m 22s
CMake gcc-11 17 Debug	9m 4s
CMake msvc-14.2 Release C++17	7m 40s
CMake gcc-11 20 Release	11m 36s
CMake msvc-14.3 Debug C++20	8m 34s
CMake msvc-14.3 Release C++20	8m 41s
CMake clang-11 17 Debug	6m 24s
CMake clang-11 20 Debug	6m 46s
CMake clang-13 17 Release	9m 12s
CMake clang-13 20 Release	10m 0s
CMake clang-14 17 Debug -stdlib=libc++	7m 57s
CMake clang-14 20 Release -stdlib=libc++	12m 4s
	2h 11m 9s

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