Rewrite slightly the vector example in to remove the focus from std::vector...

Rewrite slightly the vector example in  to remove the focus from std::vector throughout the standards.
3 jobs for master in 16 minutes and 42 seconds (queued for 1 second)
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canceled #1137474
build_docker

00:05:52

passed #1137471
build_docker_full

00:10:50

failed #1137470
build_docker

00:12:42