From eeec10e57083df398db674a25e6dc503e5d90a9b Mon Sep 17 00:00:00 2001
From: xuwei-k <6b656e6a69@gmail.com>
Date: Mon, 23 Apr 2018 23:26:09 +0900
Subject: [PATCH] partially revert #395

see https://github.com/rickynils/scalacheck/pull/395#issuecomment-383442015
---
 src/main/scala/org/scalacheck/Cogen.scala | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/scala/org/scalacheck/Cogen.scala b/src/main/scala/org/scalacheck/Cogen.scala
index 76e66c655..c8585d9c9 100644
--- a/src/main/scala/org/scalacheck/Cogen.scala
+++ b/src/main/scala/org/scalacheck/Cogen.scala
@@ -30,7 +30,11 @@ sealed trait Cogen[T] extends Serializable {
 
 object Cogen extends CogenArities with CogenLowPriority {
 
-  def apply[T](implicit ev: Cogen[T]): Cogen[T] = ev
+  // for binary compatibility
+  private[scalacheck] def apply[T](ev: Cogen[T]): Cogen[T] = ev
+
+  // https://github.com/rickynils/scalacheck/pull/395#issuecomment-383442015
+  def apply[T](implicit ev: Cogen[T], dummy: Cogen[T]): Cogen[T] = ev
 
   def apply[T](f: T => Long): Cogen[T] = new Cogen[T] {
     def perturb(seed: Seed, t: T): Seed = seed.reseed(f(t))