int-enum 1.2.0

A derive macro for conversion between integer and enum types.
Documentation 
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# Adapted from dtolnay's standard CI workflow.
#
# https://github.com/dtolnay/.github/blob/5504d080658ec209069bcd9e3957821a06128815/.github/workflows/pre_ci.yml
# https://github.com/dtolnay/thiserror/blob/77d0af46ddafa9b70d99267548bdea85308e90f3/.github/workflows/ci.yml

name: CI

on:
  push:
  pull_request:
  workflow_dispatch:
  schedule: [cron: "40 1 * * *"]

permissions:
  contents: read

env:
  RUSTFLAGS: -Dwarnings

jobs:
  pre_ci:
    runs-on: ubuntu-latest
    outputs:
      continue: ${{steps.decision.outputs.continue}}

    steps:
      - id: is_local_pull_request
        run: echo value=true >> $GITHUB_OUTPUT
        if: github.event_name == 'pull_request'
          && github.event.pull_request.head.repo.full_name == github.event.pull_request.base.repo.full_name

      - uses: actions/checkout@v3
        with:
          fetch-depth: 2
        if: steps.is_local_pull_request.outputs.value

      - id: is_noop_merge
        run: if git diff HEAD^2 --quiet; then echo value=true >> $GITHUB_OUTPUT; fi
        if: steps.is_local_pull_request.outputs.value

      - id: decision
        run: echo continue=true >> $GITHUB_OUTPUT
        if: |
          !steps.is_local_pull_request.outputs.value || !steps.is_noop_merge.outputs.value

  test:
    name: Rust ${{matrix.rust}}
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        rust: [nightly, beta, stable, 1.70.0]
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{matrix.rust}}
          components: rust-src
      - name: Enable type layout randomization
        run: echo RUSTFLAGS=${RUSTFLAGS}\ -Zrandomize-layout >> $GITHUB_ENV
        if: matrix.rust == 'nightly'
      - name: Enable nightly-only tests
        run: echo RUSTFLAGS=${RUSTFLAGS}\ --cfg=intenum_nightly_testing >> $GITHUB_ENV
        if: matrix.rust == 'nightly'
      - run: cargo test --workspace

  minimal:
    name: Minimal versions
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - run: cargo generate-lockfile -Z minimal-versions
      - run: cargo check --locked

  doc:
    name: Documentation
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    timeout-minutes: 45
    env:
      RUSTDOCFLAGS: -Dwarnings
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
        with:
          components: rust-src
      - uses: dtolnay/install@cargo-docs-rs
      - run: cargo docs-rs

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
        with:
          components: clippy, rust-src
      - run: cargo clippy --tests --workspace -- -Dclippy::all -Dclippy::pedantic

  miri:
    name: Miri
    needs: pre_ci
    if: needs.pre_ci.outputs.continue
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@miri
      - run: cargo miri setup
      - run: cargo miri test
        env:
          MIRIFLAGS: -Zmiri-strict-provenance

  outdated:
    name: Outdated
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/install@cargo-outdated
      - run: cargo outdated --workspace --exit-code 1