Clean up examples, make it more "Rusty" #2411

Job	Run time
Check Style	15s
Env Override (ubuntu-latest)	14s
Build Documentation	1m 21s
Env Override (windows-latest)	32s
Automatic intrinsic verification	27s
Build std_detect	1m 0s
Test (i686-unknown-linux-gnu)	1m 56s
Test (x86_64-unknown-linux-gnu)	3m 52s
Test (x86_64-unknown-linux-gnu-emulated)	11m 2s
Test (arm-unknown-linux-gnueabihf)	1m 22s
Test (armv7-unknown-linux-gnueabihf)	10m 47s
Test (aarch64-unknown-linux-gnu)	20m 53s
Test (riscv64gc-unknown-linux-gnu)	1m 26s
Test (powerpc64le-unknown-linux-gnu)	3m 36s
Test (s390x-unknown-linux-gnu)	1m 26s
Test (wasm32-wasip1)	1m 27s
Test (i586-unknown-linux-gnu)	2m 3s
Test (nvptx64-nvidia-cuda)	23s
Test (thumbv6m-none-eabi)	15s
Test (thumbv7m-none-eabi)	13s
Test (thumbv7em-none-eabi)	14s
Test (thumbv7em-none-eabihf)	14s
Test (loongarch64-unknown-linux-gnu)	1m 30s
Test (x86_64-apple-darwin)	6m 14s
Test (aarch64-apple-darwin)	37s
Test (x86_64-pc-windows-msvc)	6m 52s
Test (i686-pc-windows-msvc)	3m 18s
Test (aarch64-pc-windows-msvc)	1m 26s
Test (x86_64-pc-windows-gnu)	7m 4s
Test (aarch64-apple-ios-macabi, macos-latest, true)	41s
Test (x86_64-apple-ios-macabi, macos-13)	5m 50s
success	1s
	1h 38m 31s

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