Adding case for void state to production_value_callback #571

	name: Feature CI

	on:
	push:
	branches-ignore: ['main', 'fix/*']
	pull_request:

	jobs:
	linux:
	strategy:
	fail-fast: false
	matrix:
	image: ["gcc:7", "gcc:13", "clang:6", "clang:16"]

	runs-on: ubuntu-latest
	container:
	image: ghcr.io/foonathan/${{matrix.image}}

	steps:
	- uses: actions/checkout@v4
	- name: Create Build Environment
	run: cmake -E make_directory build

	- name: Configure
	working-directory: build/
	run: cmake -GNinja $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=Debug
	- name: Build
	working-directory: build/
	run: cmake --build .
	- name: Test
	working-directory: build/
	run: ctest --output-on-failure

	macos:
	strategy:
	fail-fast: false
	matrix:
	xcode: ['11', '13']

	runs-on: macos-11

	steps:
	- uses: actions/checkout@v2
	- uses: maxim-lobanov/setup-xcode@v1
	with:
	xcode-version: ${{matrix.xcode}}
	- name: Create Build Environment
	run: cmake -E make_directory build
	- name: Install ninja
	run: brew install ninja

	- name: Configure
	working-directory: build/
	run: cmake -GNinja $GITHUB_WORKSPACE
	- name: Build
	working-directory: build/
	run: cmake --build .
	- name: Test
	working-directory: build/
	run: ctest --output-on-failure

	windows:
	runs-on: windows-2019

	steps:
	- uses: actions/checkout@v2
	- name: Create Build Environment
	run: cmake -E make_directory build

	- name: Configure
	shell: bash
	working-directory: build/
	run: cmake $GITHUB_WORKSPACE -G"Visual Studio 16 2019"
	- name: Build
	working-directory: build/
	run: cmake --build . --config Debug -j 2
	- name: Test
	working-directory: build/
	run: ctest -C Debug --output-on-failure

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