Add -Ysafe-init option

Author: joan38

lib/src/main/scala/org/typelevel/scalacoptions/ScalacOptions.scala

@@ -461,6 +461,12 @@ private[scalacoptions] trait ScalacOptions {
   val privateKindProjector =
     privateOption("kind-projector", version => version >= V3_0_0)
 
+  /** Enables safe initialization check. More info:
+    * [[https://docs.scala-lang.org/scala3/reference/other-new-features/safe-initialization.html]]
+    */
+  val privateSafeInit =
+    privateOption("safe-init", version => version >= V3_0_0)
+
   /** Enables support for higher order unification in type constructor inference.
     *
     * Initially provided as a compiler option in the 2.12.x series to fix the infamous
@@ -469,10 +475,7 @@ private[scalacoptions] trait ScalacOptions {
     * Enabled by default in 2.13.0+ and no longer accepted by the compiler as an option.
     */
   val privatePartialUnification =
-    privateOption(
-      "partial-unification",
-      version => version.isBetween(V2_11_11, V2_13_0)
-    )
+    privateOption("partial-unification", version => version.isBetween(V2_11_11, V2_13_0))
 
   /** Configures the number of worker threads for the compiler backend.
     *
@@ -647,6 +650,7 @@ private[scalacoptions] trait ScalacOptions {
   val privateOptions: Set[ScalacOption] = ListSet(
     privateNoAdaptedArgs,
     privateKindProjector,
+    privateSafeInit,
     privatePartialUnification
   ) ++ privateWarnOptions