Bump edition, expand CI, and add MSRV

.github/workflows/ci.yml

@@ -1,11 +1,34 @@
 name: Continuous integration
 on: [push, pull_request]
 
+env:
+  RUSTFLAGS: "-Dwarnings"
+  RUSTDOCFLAGS: "-Dwarnings"
+
+permissions:
+  contents: read
+
 jobs:
-  ci:
+  tests:
+    name: Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: dtolnay/rust-toolchain@e814c742d4444ce2f3f6abddea7faf00161ed941 # 1.88.0
+      - uses: Swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2
+      - run: cargo test --workspace --all-features --no-run
+      - run: cargo test --workspace --all-features --no-fail-fast
+      - run: git diff --exit-code
+
+  checks:
+    name: Check clippy, formatting, and documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-      - run: cargo build
-      - run: cargo test --features=_test-unicode-conformance
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: dtolnay/rust-toolchain@e814c742d4444ce2f3f6abddea7faf00161ed941 # 1.88.0
+        with:
+          components: clippy, rustfmt
+      - uses: Swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2
+      - run: cargo clippy --workspace --all-targets --all-features
+      - run: cargo fmt --check --all
+      - run: cargo doc --workspace --no-deps

Cargo.toml

@@ -1,8 +1,9 @@
 [package]
 name = "codex"
 version = "0.2.0"
+rust-version = "1.88" # also change in ci.yml
 authors = ["The Typst Project Developers"]
-edition = "2021"
+edition = "2024"
 description = "Human-friendly notation for Unicode symbols."
 repository = "https://github.com/typst/codex"
 readme = "README.md"

src/lib.rs

@@ -159,10 +159,7 @@ mod test {
     #[test]
     fn random_sample() {
         for (key, control) in [
-            (
-                "backslash",
-                [("", "\\"), ("not", "⧷"), ("o", "⦸")].as_slice(),
-            ),
+            ("backslash", [("", "\\"), ("not", "⧷"), ("o", "⦸")].as_slice()),
             ("chi", &[("", "χ")]),
             ("forces", &[("", "⊩"), ("not", "⊮")]),
             ("interleave", &[("", "⫴"), ("big", "⫼"), ("struck", "⫵")]),

src/shared.rs

@@ -172,12 +172,18 @@ mod tests {
 
     #[test]
     fn subset() {
-        assert!(ModifierSet::from_raw_dotted("a")
-            .is_subset(ModifierSet::from_raw_dotted("a.b")));
-        assert!(ModifierSet::from_raw_dotted("a")
-            .is_subset(ModifierSet::from_raw_dotted("b.a")));
-        assert!(ModifierSet::from_raw_dotted("a.b")
-            .is_subset(ModifierSet::from_raw_dotted("b.c.a")));
+        assert!(
+            ModifierSet::from_raw_dotted("a")
+                .is_subset(ModifierSet::from_raw_dotted("a.b"))
+        );
+        assert!(
+            ModifierSet::from_raw_dotted("a")
+                .is_subset(ModifierSet::from_raw_dotted("b.a"))
+        );
+        assert!(
+            ModifierSet::from_raw_dotted("a.b")
+                .is_subset(ModifierSet::from_raw_dotted("b.c.a"))
+        );
     }
 
     #[test]

src/styling.rs

@@ -228,8 +228,8 @@ impl MathStyle {
         bold: bool,
         italic: Option<bool>,
     ) -> MathStyle {
-        use conversions::*;
         use MathVariant::*;
+        use conversions::*;
         match (variant.unwrap_or(Plain), bold, italic) {
             (SansSerif, false, Some(false)) if is_latin(c) => MathStyle::SansSerif,
             (SansSerif, false, _) if is_latin(c) => MathStyle::SansSerifItalic,
@@ -368,8 +368,8 @@ impl fmt::Display for ToStyle {
 /// assert_eq!("𝕩ℽΩ𝔸𞺸𞺧𝟙⅀𞺮", s);
 /// ```
 pub fn to_style(c: char, style: MathStyle) -> ToStyle {
-    use conversions::*;
     use MathStyle::*;
+    use conversions::*;
     let styled = match style {
         Plain => [c, '\0'],
         Bold => [to_bold(c), '\0'],