Initial commit

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/ci.yml

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+name: CI
+on: [ push, pull_request ]
+jobs:
+  test:
+    strategy:
+      matrix:
+        include:
+          - { name: "Rust stable", rust: stable, cargo_args: "" }
+          - { name: "Rust nightly", rust: nightly, cargo_args: "" }
+          - { name: "Rust nightly, release", rust: nightly, cargo_args: "--release" }
+      fail-fast: false
+    runs-on: ubuntu-latest
+    name: ${{ matrix.name }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
+          components: rustfmt
+      - uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            target/
+          key: cargo-${{ matrix.rust }}-${{ matrix.cargo_args }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-${{ matrix.rust }}-${{ matrix.cargo_args }}-
+            cargo-${{ matrix.rust }}-
+      - name: Build
+        run: cargo build ${{ matrix.cargo_args }}
+        env:
+          RUSTFLAGS: -Dwarnings
+      - name: Test
+        run: cargo test ${{ matrix.cargo_args }}
+      - name: Format check
+        run: cargo fmt --check

.gitignore

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+/target