Improve code for the Combiner role #70

	on:
	push:
	branches:
	- master
	- 'test-ci/**'
	pull_request:

	name: Continuous integration

	jobs:
	Stable:
	name: Test - stable toolchain
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	steps:
	- name: Checkout Crate
	uses: actions/checkout@v4
	- name: Checkout Toolchain
	# https://github.com/dtolnay/rust-toolchain
	uses: dtolnay/rust-toolchain@stable
	- name: Install clippy
	run: rustup component add clippy
	- name: Running test script
	env:
	DO_LINT: true
	DO_NO_STD: true
	DO_DOCS: true
	run: ./contrib/test.sh

	Beta:
	name: Test - beta toolchain
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	steps:
	- name: Checkout Crate
	uses: actions/checkout@v4
	- name: Checkout Toolchain
	uses: dtolnay/rust-toolchain@beta
	- name: Running test script
	env:
	DO_NO_STD: true
	run: ./contrib/test.sh

	Nightly:
	name: Test - nightly toolchain
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	steps:
	- name: Checkout Crate
	uses: actions/checkout@v4
	- name: Checkout Toolchain
	uses: dtolnay/rust-toolchain@nightly
	- name: Running test script
	env:
	DO_FMT: false
	DO_NO_STD: true
	DO_DOCSRS: true
	run: ./contrib/test.sh

	MSRV:
	name: Test - 1.56.1 toolchain
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	steps:
	- name: Checkout Crate
	uses: actions/checkout@v4
	- name: Checkout Toolchain
	uses: dtolnay/rust-toolchain@stable
	with:
	toolchain: "1.56.1"
	- name: Running test script
	env:
	DO_NO_STD: true
	run: ./contrib/test.sh

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