feat: allow constructing and setting the progress bar len to `None` (… #937

	name: CI

	on:
	push:
	branches: ['main']
	pull_request:
	schedule:
	- cron: "43 6 * * 5"

	env:
	CLICOLOR_FORCE: 1

	jobs:
	test:
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	rust: [stable]
	features: [--all-features]
	target: [""]
	include:
	- os: ubuntu-latest
	rust: stable
	features: ""
	- os: ubuntu-latest
	rust: beta
	features: --all-features
	- os: ubuntu-latest
	rust: stable
	features: --all-features
	target: --target armv5te-unknown-linux-gnueabi
	use-cross: true

	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	- run: cargo test ${{ matrix.features }}

	cross:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	target: [armv5te-unknown-linux-gnueabi]

	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	target: ${{ matrix.target }}
	- uses: taiki-e/install-action@cross
	- run: cross build --target ${{ matrix.target }} --all-features

	msrv:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: "1.70"
	- run: cargo check --lib --all-features
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: stable
	components: rustfmt, clippy
	- run: cargo fmt --all -- --check
	- run: cargo clippy --all-targets --all-features -- -D warnings
	- name: doc
	run: cargo doc --no-deps --document-private-items
	env:
	RUSTDOCFLAGS: -Dwarnings

	audit:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: EmbarkStudios/cargo-deny-action@v2

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