Expose tree constants for internal testing. #180

	name: ci

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]
	schedule:
	# Every-other month, to make sure new Rust
	# releases don't break things.
	- cron: '15 12 5 1,3,5,7,9,11 *'

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build-and-test-stable:
	name: Build and test, Rust-stable
	runs-on: ubuntu-latest
	steps:
	# Get a checkout and rust toolchain.
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true

	# Build and test
	- run: cargo +stable build
	- run: cargo +stable test
	- run: cargo +stable test --no-default-features line
	- run: cargo +stable test --no-default-features --features=cr_lines line
	- run: cargo +stable bench --no-run

	build-and-test-beta:
	name: Build and test, Rust-beta
	runs-on: ubuntu-latest
	steps:
	# Get a checkout and rust toolchain.
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: beta
	override: true

	# Build and test
	- run: cargo +beta build
	- run: cargo +beta test
	- run: cargo +beta bench --no-run
	run-miri:
	name: Run Miri
	runs-on: ubuntu-latest
	steps:
	# Get a checkout and rust toolchain.
	- uses: actions/checkout@v2
	- uses: hecrj/setup-rust-action@v1
	with:
	rust-version: nightly
	components: miri

	# Build and test
	# --no-default-features to get rid of the simd feature
	- run: cargo miri test --no-default-features
	env:
	MIRIFLAGS: "-Zmiri-strict-provenance"

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