Fix explicit nulls in community build

Author: noti0na1

community-build/community-projects/scodec

@@ -64,7 +64,7 @@ object NullOpsDecorator {
       stripped ne self
     }
 
-    /** Can the type have null value after erasure?
+    /** Can the type has null value after erasure?
      */
     def isNullableAfterErasure(using Context): Boolean =  self match {
       case tp: ClassInfo => tp.cls.isNullableClassAfterErasure

community-build/community-projects/shapeless

@@ -4,7 +4,7 @@ class OptionTransform {
    *
    *  @return   Some(value) if value != null, None if value == null
    */
-  def[T <: AnyRef] (x: T | Null) toOption: Option[T] =
+  extension[T <: AnyRef](x: T | Null) def toOption: Option[T] =
     if x == null then None else Some(x)
 
   def test = {

compiler/src/dotty/tools/dotc/core/NullOpsDecorator.scala

@@ -1,5 +1,5 @@
 class Extensions {
-  def (s: String).ext(ss: String): String = s + ss
+  extension(s: String) def ext(ss: String): String = s + ss
 
   def f = {
     val x: String | Null = ???