IO implementation for embedded-io #154

	on:
	# trigger on pushes to the main branch and 1-alpha
	push:
	branches:
	- main
	- 1-alpha
	# trigger on all pull requests
	pull_request:
	# enable manual triggering
	workflow_dispatch:

	name: CI

	jobs:
	build:
	name: Build and Test
	runs-on: ubuntu-latest
	env: {"RUSTFLAGS": "-D warnings"}
	strategy:
	matrix:
	toolchain:
	- "1.63"
	- "nightly"
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.toolchain }}

	# Diagnostics
	- name: Show versions
	run: \|
	rustc --version
	cargo --version

	# Build main crate
	- name: Build
	run: cargo build
	- name: Build (all features)
	if: ${{ matrix.toolchain == 'nightly' }}
	run: cargo build --all-features

	# Test main crate
	- name: Test
	run: cargo test
	- name: Test (all features)
	if: ${{ matrix.toolchain == 'nightly' }}
	run: cargo test --all-features

	# Check code formatting
	format:
	name: Check code formatting
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt
	- run: cargo fmt --all -- --check

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