Make rayon optional.

WhyAreAllTheseTaken · WhyAreAllTheseTaken · commit b1a602d4854e · 2024-01-25T17:37:52.000Z
diff --git a/Cargo.toml b/Cargo.toml
@@ -23,8 +23,8 @@ include = [
 license = "BSD-3-Clause"
 
 [dependencies]
-rayon = { version = "1.8.1" }
+rayon = { version = "1.8.1", optional = true }
 
 [features]
-rayon = []
+rayon = ["dep:rayon"]
 
