Convert BoundaryAssembler to struct #2701

	name: 🧪

	on:
	push:
	branches:
	- "**"
	pull_request:
	branches:
	- main
	merge_group:

	jobs:
	run-tests-rust:
	name: Run Rust tests
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust-version: ["stable"]
	mpi: ['mpich', 'openmpi']
	feature-flags: ['--features "mpi,strict"']
	steps:
	- name: Set up Rust
	uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	toolchain: ${{ matrix.rust-version }}
	components: rustfmt
	- name: Set up MPI
	uses: mpi4py/setup-mpi@v1
	with:
	mpi: ${{ matrix.mpi }}
	- name: Install cargo-mpirun
	run: cargo install cargo-mpirun
	- uses: actions/checkout@v3
	- name: Install LAPACK, OpenBLAS
	run:
	sudo apt-get install -y libopenblas-dev liblapack-dev

	- name: Run unit tests
	run: cargo test ${{ matrix.feature-flags }}
	- name: Run unit tests in release mode
	run: cargo test --release ${{ matrix.feature-flags }}
	- name: Run tests
	run: cargo test --examples --release ${{ matrix.feature-flags }}
	- name: Test benchmarks build
	run: cargo bench --no-run --features "mpi,strict"
	- name: Run examples
	run: \|
	python3 find_examples.py
	chmod +x examples.sh
	./examples.sh

	check-dependencies:
	name: Check dependencies
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust-version: ["stable"]
	steps:
	- name: Set up Rust
	uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	toolchain: ${{ matrix.rust-version }}
	components: rustfmt
	- name: Install cargo-upgrades
	run: cargo install cargo-upgrades
	- uses: actions/checkout@v3
	- name: Check that dependencies are up to date
	run:
	cargo upgrades

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