Add range-based iteration #434

	on:
	push:
	branches:
	- staging
	- trying
	pull_request:
	branches:
	- main

	name: Continuous integration

	jobs:
	ci:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust:
	- stable
	- beta
	- nightly
	- 1.66.0
	env:
	RUSTFLAGS: "-C target-cpu=native -C opt-level=3"
	ROARINGRS_BENCH_OFFLINE: "true"

	steps:
	- name: Checkout roaring-rs
	uses: actions/checkout@v2

	- name: Checkout benchmark datasets
	uses: actions/checkout@v2
	with:
	repository: "RoaringBitmap/real-roaring-datasets"
	path: "benchmarks/real-roaring-datasets"

	- name: Initialize rust toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.rust }}
	override: true
	components: rustfmt, clippy

	- name: Fetch
	uses: actions-rs/cargo@v1
	with:
	command: fetch

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

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

	- name: Check formatting
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: -- --check

	- name: Test
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --features serde

	- name: Test no default features
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --no-default-features

	- name: Test benchmarks
	uses: actions-rs/cargo@v1
	with:
	command: bench

	- name: SIMD test
	if: matrix.rust == 'nightly'
	uses: actions-rs/cargo@v1
	with:
	toolchain: nightly
	command: test
	args: --features "simd"

	- name: SIMD test benchmarks
	if: matrix.rust == 'nightly'
	uses: actions-rs/cargo@v1
	with:
	toolchain: nightly
	command: bench
	args: --features "simd"

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