Added constexpr if #401

	name: macOS

	on:
	push:
	branches:
	- master
	- dev
	paths:
	- '.github/**'
	- 'benchmark/**'
	- 'cmake/**'
	- 'examples/**'
	- 'include/**'
	- 'src/**'
	- 'test/**'
	- '**/CMakeLists.txt'
	- '**/.gitmodules'
	pull_request:
	branches:
	- master
	- dev
	paths:
	- '.github/**'
	- 'benchmark/**'
	- 'cmake/**'
	- 'examples/**'
	- 'include/**'
	- 'src/**'
	- 'test/**'
	- '**/CMakeLists.txt'
	- '**/.gitmodules'
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref_name }}-${{ github.ref_type == 'branch' && github.sha }}-${{ github.event_name == 'workflow_dispatch' }}-${{ github.event_name == 'schedule' }}-${{ github.event.schedule }}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: macos-${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ 12, 11 ]
	cxx: [ clang++, g++-12, g++-11, g++-10 ]
	std: [ 11, 20 ]
	exclude:
	# Not available
	- os: 12
	cxx: g++-10
	- os: 12
	cxx: g++-9

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: recursive

	- name: Create Build Environment
	run: \|
	mkdir ${{ runner.workspace }}/build

	- name: Run CMake
	working-directory: ${{ runner.workspace }}/build
	env:
	CXX: ${{ matrix.cxx }}
	run: \|
	cmake -DSCN_WERROR=ON -DCMAKE_CXX_STANDARD=${{ matrix.std }} $GITHUB_WORKSPACE

	- name: Build
	working-directory: ${{ runner.workspace }}/build
	run: cmake --build . --parallel -- -k

	- name: Test
	working-directory: ${{ runner.workspace }}/build
	run: ctest --output-on-failure

Provide feedback