char_str 0.0.2

Compact owned string types forked from lean_string for Ruff and ty.
Documentation 
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name: CI

permissions: {}

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

concurrency:
  group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: true

defaults:
  run:
    shell: bash

env:
  CARGO_INCREMENTAL: 0
  CARGO_NET_RETRY: 10
  CARGO_TERM_COLOR: always
  PROPTEST_CASES: ${{ github.ref == 'refs/heads/main' && '10000' || '256' }}
  RUSTFLAGS: "-D warnings"
  RUSTUP_MAX_RETRIES: 10
  MIRIFLAGS: "-Zmiri-strict-provenance"

jobs:
  check-zizmor:
    uses: ./.github/workflows/check-zizmor.yml
    permissions:
      contents: read

  check:
    name: Check
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - name: Format check
        run: cargo fmt --all --check

      - name: Lint check
        run: |
          cargo check --locked --all-features
          cargo clippy --locked --all-targets --all-features

  test:
    name: Test
    runs-on: ubuntu-latest
    timeout-minutes: 20
    strategy:
      fail-fast: false
      matrix:
        opt: ["", "--release"]
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - name: Test (default)
        run: cargo test --locked ${{ matrix.opt }}

      - name: Test (no-default-features)
        run: cargo test --locked ${{ matrix.opt }} --no-default-features

      - name: Test (all-features)
        run: cargo test --locked ${{ matrix.opt }} --all-features

      - name: Test (Loom)
        run: RUSTFLAGS="--cfg loom" cargo test --locked --test loom ${{ matrix.opt }} --features loom -- --test-threads=1

  miri:
    name: Miri (${{ matrix.name }})
    runs-on: ubuntu-latest
    timeout-minutes: 45
    strategy:
      matrix:
        include:
          - name: 64-bit LE
            target: x86_64-unknown-linux-gnu
          - name: 64-bit BE
            target: powerpc64-unknown-linux-gnu
          - name: 32-bit LE
            target: i686-unknown-linux-gnu
          - name: 32-bit BE
            target: powerpc-unknown-linux-gnu
            # get-size2 unconditionally imports 64-bit atomics, which this target lacks.
            features: --features arbitrary,salsa,serde
      fail-fast: false
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - name: Install Miri
        run: |
          rustup toolchain install nightly --profile minimal
          rustup +nightly component add miri

      - name: Rust Cache
        uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
        with:
          prefix-key: rust
          shared-key: miri-${{ matrix.target }}

      - name: Test (default)
        run: cargo +nightly miri test --locked --target ${{ matrix.target }}

      - name: Test (no-default-features)
        run: cargo +nightly miri test --locked --target ${{ matrix.target }} --no-default-features

      - name: Test (features)
        run: cargo +nightly miri test --locked --target ${{ matrix.target }} ${{ matrix.features || '--all-features' }}

      - name: Test (race condition)
        env:
          MIRIFLAGS: "-Zmiri-strict-provenance -Zmiri-preemption-rate=1"
        run: cargo +nightly miri test --locked --target ${{ matrix.target }} --test race_condition