prepare for Dotty: put explicit types on implicit defs

Author: SethTisue

core/src/main/scala/scala/collection/parallel/ParIterableLike.scala

@@ -296,7 +296,7 @@ self =>
   }
 
   /* convenience task operations wrapper */
-  protected implicit def task2ops[R, Tp](tsk: SSCTask[R, Tp]) = new TaskOps[R, Tp] {
+  protected implicit def task2ops[R, Tp](tsk: SSCTask[R, Tp]): TaskOps[R, Tp] = new TaskOps[R, Tp] {
     def mapResult[R1](mapping: R => R1): ResultMapping[R, Tp, R1] = new ResultMapping[R, Tp, R1](tsk) {
       def map(r: R): R1 = mapping(r)
     }
@@ -316,14 +316,14 @@ self =>
   }
 
   /* convenience signalling operations wrapper */
-  protected implicit def delegatedSignalling2ops[PI <: DelegatedSignalling](it: PI) = new SignallingOps[PI] {
+  protected implicit def delegatedSignalling2ops[PI <: DelegatedSignalling](it: PI): SignallingOps[PI] = new SignallingOps[PI] {
     def assign(cntx: Signalling): PI = {
       it.signalDelegate = cntx
       it
     }
   }
 
-  protected implicit def builder2ops[Elem, To](cb: Builder[Elem, To]) = new BuilderOps[Elem, To] {
+  protected implicit def builder2ops[Elem, To](cb: Builder[Elem, To]): BuilderOps[Elem, To] = new BuilderOps[Elem, To] {
     def ifIs[Cmb](isbody: Cmb => Unit) = new Otherwise[Cmb] {
       def otherwise(notbody: => Unit)(implicit t: ClassTag[Cmb]): Unit = {
         if (cb.getClass == t.runtimeClass) isbody(cb.asInstanceOf[Cmb]) else notbody

core/src/main/scala/scala/collection/parallel/package.scala

@@ -66,7 +66,7 @@ package object parallel {
 package parallel {
   /** Implicit conversions used in the implementation of parallel collections. */
   private[collection] object ParallelCollectionImplicits {
-    implicit def traversable2ops[T](t: scala.collection.IterableOnce[T]) = new TraversableOps[T] {
+    implicit def traversable2ops[T](t: scala.collection.IterableOnce[T]): TraversableOps[T] = new TraversableOps[T] {
       def isParallel = t.isInstanceOf[Parallel]
       def isParIterable = t.isInstanceOf[ParIterable[_]]
       def asParIterable = t.asInstanceOf[ParIterable[T]]

junit/src/test/scala/scala/collection/concurrent/ctries_new/Spec.scala

@@ -16,17 +16,14 @@ import scala.reflect.{ClassTag, classTag}
 
 trait Spec {
 
-  implicit def implicitously = scala.language.implicitConversions
-  implicit def reflectively  = scala.language.reflectiveCalls
-
-  implicit def str2ops(s: String) = new {
+  implicit class Str2ops(s: String) {
     def in[U](body: =>U): Unit = {
       // just execute body
       body
     }
   }
 
-  implicit def any2ops(a: Any) = new {
+  implicit class Any2ops(a: Any) {
     def shouldEqual(other: Any) = assert(a == other)
   }
 

junit/src/test/scala/scala/collection/concurrent/ctries_old/Spec.scala

@@ -12,21 +12,18 @@
 
 package scala.collection.concurrent.ctries_old
 
-import scala.reflect.ClassTag
+import scala.reflect.{ClassTag, classTag}
 
 trait Spec {
 
-  implicit def implicitously = scala.language.implicitConversions
-  implicit def reflectively  = scala.language.reflectiveCalls
-
-  implicit def str2ops(s: String) = new {
+  implicit class Str2ops(s: String) {
     def in[U](body: =>U): Unit = {
       // just execute body
       body
     }
   }
 
-  implicit def any2ops(a: Any) = new {
+  implicit class Any2ops(a: Any) {
     def shouldEqual(other: Any) = assert(a == other)
   }