undoredo 0.15.1

Undo/Redo (and delta encoding) in Rust using deltas, snapshots or commands with convenience implementations for many standard and third-party types.
Documentation 
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# SPDX-FileCopyrightText: 2026 this project's contributors
#
# SPDX-License-Identifier: MIT OR Apache-2.0

on:
  push:
  pull_request:

permissions:
  contents: read

jobs:
  reuse-lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - uses: fsfe/reuse-action@v6
        with:
          args: lint

  cargo-fmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt
      - uses: Swatinem/rust-cache@v2
      - run: cargo fmt --all -- --check

  cargo-test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        toolchain: [1.92, stable]
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.toolchain }}
      - uses: Swatinem/rust-cache@v2
      - uses: taiki-e/install-action@v2
        with:
          tool: cargo-hack
      - run: |
          cargo test --workspace

          # `--no-default-features` will break doctests, so we pass
          # `--lib --bins --tests` (no `--doc`) to omit doctests.
          cargo test --workspace --no-default-features --lib --bins --tests

          cargo test --workspace --all-features
          cargo hack test --workspace --optional-deps --each-feature --examples --tests
          cargo test --workspace --all-features --doc

  cargo-check-no-std:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        toolchain: [1.92, stable]
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.toolchain }}
          targets: thumbv6m-none-eabi
      - uses: Swatinem/rust-cache@v2
      # thumbv6m-none-eabi has no std, so let's build it to make sure we really
      # are `no_std` compatible.
      - run: cargo check --target thumbv6m-none-eabi --no-default-features --features derive