Add TraversableOnce.knownSize

Author: MasseGuillaume

compat/src/main/scala-2.11_2.12/scala/collection/compat/PackageShared.scala

@@ -221,6 +221,7 @@ class IteratorExtensionMethods[A](private val self: c.Iterator[A]) extends AnyVa
 
 class TraversableOnceExtensionMethods[A](private val self: c.TraversableOnce[A]) extends AnyVal {
   def iterator: Iterator[A] = self.toIterator
+  def knownSize: Int        = if (t.hasDefiniteSize) t.size else -1
 }
 
 class TraversableExtensionMethods[A](private val self: c.Traversable[A]) extends AnyVal {

scalafix/rules/src/main/scala/fix/Roughly.scala

@@ -71,14 +71,14 @@ final case class Roughly(index: SemanticdbIndex, config: RoughlyConfig)
       ctx.tree.collect {
         case ap @ Term.ApplyInfix(_, mapValues(_), _, _) if strictMapValues =>
           ctx.addLeft(ap, "(") +
-          ctx.addRight(ap, ").toMap")
+            ctx.addRight(ap, ").toMap")
 
         case ap @ Term.Apply(Term.Select(_, mapValues(_)), List(_)) if strictMapValues =>
           ctx.addRight(ap, ".toMap")
 
         case ap @ Term.ApplyInfix(_, filterKeys(_), _, _) if strictFilterKeys =>
           ctx.addLeft(ap, "(") +
-          ctx.addRight(ap, ").toMap")
+            ctx.addRight(ap, ").toMap")
 
         case ap @ Term.Apply(Term.Select(_, filterKeys(_)), List(_)) if strictFilterKeys =>
           ctx.addRight(ap, ".toMap")