either 1.8.1

The enum `Either` with variants `Left` and `Right` is a general purpose sum type with two cases.
Documentation 
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on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

name: CI

jobs:
  ci:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        rust:
          - 1.36.0  # MSRV
          - stable
          - beta
          - nightly
        features:
          - ""
          - "serde"

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Set up Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}

      - name: Build (no_std)
        run: cargo build --no-default-features

      - name: Build
        run: cargo build --features "${{ matrix.features }}"

      - name: Test
        run: cargo test --features "${{ matrix.features }}"

      - name: Doc
        run: cargo doc --features "${{ matrix.features }}"

  clippy:
    name: Rustfmt and Clippy
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Set up nightly Rust
        uses: dtolnay/rust-toolchain@nightly
        with:
          components: rustfmt, clippy

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

      - name: Clippy
        run: cargo clippy  # -- -D warnings