named access to `Vec` #4657

Job	Run time
clang-format	21s
linux_clang-14_cuda-11.2_debug_analysis	13m 49s
windows_cl-2022_debug_analysis	16m 2s
macos_xcode-14.2_debug_analysis	28m 26s
linux_gcc-12_debug_analysis	13m 39s
macos_xcode-13.2.1_debug	15m 41s
macos_xcode-14.2_release	19m 28s
macos_xcode-14.3.1_debug	18m 47s
windows_cl-2022_release	17m 32s
windows_cl-2022_debug	13m 6s
linux_gcc-9_debug	14m 20s
linux_gcc-12_release_c++20	12m 54s
linux_gcc-13_debug	14m 49s
linux_clang-10_release	9m 21s
linux_clang-12_release	29m 32s
linux_clang-13_debug	7m 23s
linux_clang-16_debug_ubsan	9m 26s
linux_clang-16_debug_tsan	11m 9s
	4h 25m 45s

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