Test visualizer feature with std requirement separately from no_std

Author: MarijnS95

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Generate lockfile with minimal dependency versions
         run: cargo +nightly generate-lockfile -Zminimal-versions
       - uses: dtolnay/[email protected]
-      # Note that examples are extempt from the MSRV check, so that they can use newer Rust features
+      # Note that examples are exempt from the MSRV check, so that they can use newer Rust features
       - run: cargo check --workspace --features ${{ matrix.target.backend }},${{ matrix.features }} --no-default-features
 
   test:
@@ -43,13 +43,14 @@ jobs:
           - hashbrown
           - std
           - hashbrown,std
+          - visualizer,std
     runs-on: ${{ matrix.target.os }}
     steps:
       - uses: actions/checkout@v4
       - name: Cargo test all targets
-        run: cargo test --workspace --all-targets --features visualizer,${{ matrix.target.backend }},${{ matrix.features }} --no-default-features
+        run: cargo test --workspace --all-targets --features ${{ matrix.target.backend }},${{ matrix.features }} --no-default-features
       - name: Cargo test docs
-        run: cargo test --workspace --doc --features visualizer,${{ matrix.target.backend }},${{ matrix.features }} --no-default-features
+        run: cargo test --workspace --doc --features ${{ matrix.target.backend }},${{ matrix.features }} --no-default-features
 
   fmt:
     name: Rustfmt
@@ -74,11 +75,12 @@ jobs:
           - hashbrown
           - std
           - hashbrown,std
+          - visualizer,std
     runs-on: ${{ matrix.target.os }}
     steps:
       - uses: actions/checkout@v4
       - name: Cargo clippy
-        run: cargo clippy --workspace --all-targets --features visualizer,${{ matrix.target.backend }},${{ matrix.features }} --no-default-features -- -D warnings
+        run: cargo clippy --workspace --all-targets --features ${{ matrix.target.backend }},${{ matrix.features }} --no-default-features -- -D warnings
 
   doc:
     name: Build documentation