feat: make AlignmentOperation hashable

Author: johanneskoester

.github/workflows/rust.yml

@@ -19,6 +19,8 @@ jobs:
           toolchain: stable
           override: true
           components: rustfmt
+      
+      - uses: Swatinem/rust-cache@v1.3.0
 
       - name: Check format
         run: cargo fmt -- --check
@@ -35,6 +37,8 @@ jobs:
           toolchain: stable
           override: true
           components: clippy
+      
+      - uses: Swatinem/rust-cache@v1.3.0
 
       - name: Lint with clippy
         uses: actions-rs/clippy-check@v1
@@ -62,24 +66,13 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v2
 
-      - uses: actions/cache@v2
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: ${{ matrix.rust }}
-          override: true
-
       - name: Install ${{ matrix.rust }} toolchain
         uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
           override: true
+      
+      - uses: Swatinem/rust-cache@v1.3.0
 
       - name: Run tests
         uses: actions-rs/cargo@v1
@@ -94,19 +87,13 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v2
 
-      - uses: actions/cache@v2
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
       - name: Install nightly toolchain
         uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
           override: true
+      
+      - uses: Swatinem/rust-cache@v1.3.0
 
       - name: Install cargo-tarpaulin
         uses: actions-rs/install@v0.1

src/alignment.rs

@@ -19,7 +19,7 @@ pub type TextSlice<'a> = &'a [u8];
 /// of standard modes like Global, Semi-Global and Local alignment, the clip operations
 /// are filtered out
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
-#[derive(Eq, PartialEq, Debug, Copy, Clone)]
+#[derive(Eq, PartialEq, Debug, Copy, Clone, Hash)]
 pub enum AlignmentOperation {
     Match,
     Subst,