Explicit implicits

Author: allanrenucci

scalactic/src/main/scala/org/scalactic/DeprecatedPrettyMethods.scala

@@ -52,7 +52,7 @@ trait DeprecatedPrettyMethods {
    * use a different <code>Prettifier</code>.
    * </p>
    */
-  implicit val prettifierConfig = PrettifierConfig(Prettifier.default)
+  implicit val prettifierConfig: PrettifierConfig = PrettifierConfig(Prettifier.default)
 
   /**
    * Implicit class that adds a <code>pretty</code> method to any object.

scalactic/src/main/scala/org/scalactic/anyvals/NonEmptyArray.scala

@@ -1664,7 +1664,7 @@ object NonEmptyArray {
 
   implicit def nonEmptyArrayToIterable[E](nonEmptyArray: NonEmptyArray[E]): Iterable[E] = nonEmptyArray.toIterable
 
-  implicit def nonEmptyArrayToPartialFunction[E](nonEmptyArray: NonEmptyArray[E]) =
+  implicit def nonEmptyArrayToPartialFunction[E](nonEmptyArray: NonEmptyArray[E]): PartialFunction[Int, E] =
     new PartialFunction[Int, E] {
       def apply(idx: Int): E = nonEmptyArray(idx)
       def isDefinedAt(idx: Int): Boolean = nonEmptyArray.isDefinedAt(idx)

scalatest/src/main/scala/org/scalatest/prop/Configuration.scala

@@ -453,7 +453,7 @@ trait Configuration {
   /**
    * Implicit <code>PropertyCheckConfig</code> value providing default configuration values.
    */
-  implicit val generatorDrivenConfig = PropertyCheckConfiguration()
+  implicit val generatorDrivenConfig: PropertyCheckConfiguration = PropertyCheckConfiguration()
 }
 
 /**

scalatest/src/main/scala/org/scalatest/time/SpanSugar.scala

@@ -279,7 +279,7 @@ package org.scalatest.time
  */
 trait SpanSugar {
 
-  implicit val postfixOps = language.postfixOps
+  implicit val postfixOps: languageFeature.postfixOps = language.postfixOps
 
   /**
    * Class containing methods that return a <code>Span</code> time value calculated from the