Add functions to skip forward/backward with an iterator, and use it to simplify roaring_bitmap_range_uint32_array #1739

	name: Alpine Linux
	'on':
	- push
	- pull_request
	permissions:
	contents: read
	jobs:
	ubuntu-build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
	- name: start docker
	run: \|
	docker run -w /src -dit --name alpine -v $PWD:/src alpine:latest
	echo 'docker exec alpine "$@";' > ./alpine.sh
	chmod +x ./alpine.sh
	- name: install packages
	run: \|
	./alpine.sh apk update
	./alpine.sh apk add build-base cmake g++ linux-headers git bash
	- name: cmake
	run: \|
	./alpine.sh cmake -DENABLE_ROARING_TESTS=ON -B build_for_alpine
	- name: build
	run: \|
	./alpine.sh cmake --build build_for_alpine
	- name: test
	run: \|
	./alpine.sh bash -c "cd build_for_alpine && ctest"
	- name: cmakedebug
	run: \|
	./alpine.sh cmake -B build_for_alpine_debug -DCMAKE_BUILD_TYPE=Debug
	- name: builddebug
	run: \|
	./alpine.sh cmake --build build_for_alpine_debug
	- name: testdebug
	run: \|
	./alpine.sh bash -c "cd build_for_alpine_debug && ctest"

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