Bump actions/checkout from 3 to 4 #54

	name: build

	on:
	pull_request:
	push:
	branches:
	- master

	env:
	CARGO_TERM_COLOR: always
	FORCE_COLOR: 3
	RUSTFLAGS: -D warnings

	jobs:

	build:
	name: Build
	strategy:
	matrix:
	rust:
	- stable
	- nightly
	os:
	- ubuntu-latest
	- windows-latest
	exclude:
	- rust: nightly
	os: windows-latest
	fail-fast: false
	runs-on: ${{ matrix.os }}

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Install ${{ matrix.rust }} Rust
	run: rustup default ${{ matrix.rust }}

	- uses: Swatinem/rust-cache@v2

	- name: Test
	run: cargo test

	# This checks examples and benchmarks, which are not covered above.
	- name: Check all targets
	if: matrix.rust == 'nightly'
	run: cargo check --all-targets

	msrv:
	name: Build MSRV
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Install Rust
	run: rustup default 1.56

	- uses: Swatinem/rust-cache@v2

	- name: Build
	run: cargo build

	build-documentation:
	name: Build documentation
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- uses: Swatinem/rust-cache@v2

	- name: Build documentation and check intra-doc links
	env:
	RUSTDOCFLAGS: --deny rustdoc::broken_intra_doc_links
	run: cargo doc --no-deps

	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- uses: Swatinem/rust-cache@v2

	- name: Clippy with default lints
	run: cargo clippy

	- name: Lint for left-over debug prints
	run: cargo clippy -- -D clippy::print_stdout -D clippy::print_stderr

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