system_for_each must be able to accept Entity as a component #13

	name: Not Rocket Science

	on:
	pull_request:
	types: [opened, synchronize, reopened]

	jobs:
	build_and_test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0 # Necessary for a complete history for merges.

	- name: Check if can be fast-forwarded
	run: \|
	git fetch origin ${{ github.base_ref }}
	MERGE_BASE=$(git merge-base HEAD FETCH_HEAD)
	if [ $(git rev-parse HEAD) != $(git rev-parse $MERGE_BASE) ] && [ $(git rev-parse FETCH_HEAD) != $(git rev-parse $MERGE_BASE) ]; then
	echo "Cannot be fast-forwarded."
	exit 1
	fi

	- name: Set up Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	profile: minimal
	override: true

	- name: Build
	uses: actions-rs/cargo@v1
	with:
	command: build
	args: --verbose

	- name: Run tests
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --verbose

	- name: Check with clippy
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: -- -D warnings

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