Add one example for complex expression #24

	name: cargo-test-kexpr

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	install:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Get-submodule
	run: git submodule update --init --recursive

	- name: Install-linux-dbgsym
	run: \|
	NAME=$(lsb_release -c \| awk '{print $2}')
	sudo tee /etc/apt/sources.list.d/ddebs.list << EOF
	deb http://ddebs.ubuntu.com/ ${NAME} main restricted universe multiverse
	deb http://ddebs.ubuntu.com/ ${NAME}-updates main restricted universe multiverse
	EOF

	sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C8CAB6595FDFF622
	sudo apt-get update
	sudo apt-get install linux-image-$(uname -r)-dbgsym

	- name: Install-dependencies
	run: \|
	sudo apt-get update
	sudo apt install autoconf automake check gcc clang llvm liblzma-dev libelf-dev libdw-dev libtool make pkgconf python3 python3-dev python3-pip python3-setuptools zlib1g-dev

	- name: Install-bpftool
	run: \|
	git clone https://github.com/libbpf/bpftool.git
	cd bpftool
	git submodule update --init
	cd src; make; sudo make install

	- name: Install-drgn
	run: \|
	git clone https://github.com/osandov/drgn.git
	cd drgn
	python3 setup.py build
	sudo python3 setup.py install

	- name: Create-vmlinux-h
	run: bpftool btf dump file /sys/kernel/btf/vmlinux format c > vmlinux.h

	- name: Test
	run: \|
	cargo clean
	cargo build
	CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER='sudo -E' cargo test --target-dir test_build

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