named access to `Vec` #4663

Job	Run time
clang-format	22s
linux_clang-14_cuda-11.2_debug_analysis	13m 36s
windows_cl-2022_debug_analysis	16m 48s
macos_xcode-14.2_debug_analysis	18m 52s
linux_gcc-12_debug_analysis	13m 30s
macos_xcode-13.2.1_debug	15m 58s
macos_xcode-14.2_release	17m 33s
macos_xcode-14.3.1_debug	19m 6s
windows_cl-2022_release	18m 2s
windows_cl-2022_debug	13m 44s
linux_gcc-9_debug	13m 22s
linux_gcc-12_release_c++20	12m 14s
linux_gcc-13_debug	10m 6s
linux_clang-10_release	9m 35s
linux_clang-12_release	30m 1s
linux_clang-13_debug	7m 9s
linux_clang-16_debug_ubsan	9m 30s
linux_clang-16_debug_tsan	11m 25s
	4h 10m 53s

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