Rust

Implementing `Char` for graphemes and all the necessary changes to make it happen. #1008

	name: Rust

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	env:
	CARGO_TERM_COLOR: always

	permissions: read-all

	jobs:
	check:
	name: Check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Install latest nightly
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: nightly
	components: rustfmt, clippy
	- name: Run cargo check (all features)
	run: cargo check --benches --examples --tests --verbose --all-features
	- name: Run cargo check (no features)
	run: cargo check --benches --examples --tests --verbose --no-default-features
	- name: Run cargo clippy
	run: cargo clippy --benches --examples --tests --verbose --all-features -- -D warnings
	- name: Run cargo fmt
	run: cargo fmt --verbose --check
	- name: Run cargo doc
	run: cargo doc --all-features --verbose
	env:
	RUSTDOCFLAGS: --cfg docsrs
	test:
	name: Test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Install latest nightly
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: nightly
	components: rustfmt, clippy
	- name: Run cargo test
	run: cargo test --verbose --all-features
	env:
	RUSTDOCFLAGS: --cfg docsrs
	msrv:
	name: MSRV
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Install MSRV
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: "1.65"
	components: rustfmt, clippy
	- name: Check MSRV compatibility
	run: cargo check --verbose --features _test_stable
	semver:
	name: SemVer
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Check semver compatibility
	uses: obi1kenobi/cargo-semver-checks-action@v2
	with:
	rust-toolchain: stable

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