equivalent 1.0.2

Traits for key comparison in maps.
Documentation 
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on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  merge_group:

name: CI

env:
  CARGO_TERM_COLOR: always
  CARGO_INCREMENTAL: 0

jobs:
  tests:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - rust: 1.6.0 # MSRV
          - rust: stable
          - rust: beta
          - rust: nightly

    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
      - name: Tests
        run: |
          cargo build --verbose
          cargo test --verbose

  # One job that "summarizes" the success state of this pipeline. This can then be added to branch
  # protection, rather than having to add each job separately.
  success:
    name: Success
    runs-on: ubuntu-latest
    needs: [tests]
    # Github branch protection is exceedingly silly and treats "jobs skipped because a dependency
    # failed" as success. So we have to do some contortions to ensure the job fails if any of its
    # dependencies fails.
    if: always() # make sure this is never "skipped"
    steps:
      # Manually check the status of all dependencies. `if: failure()` does not work.
      - name: check if any dependency failed
        run: jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'