Scala 3.0.0-M3 support (#731)

Co-authored-by: Martin Odersky <[email protected]>
Co-authored-by: Liu Fengyun <[email protected]>

.github/workflows/ci.yml

@@ -22,20 +22,20 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [3.0.0-M1, 3.0.0-M2, 2.11.12, 2.12.10, 2.13.3]
+        scala: [3.0.0-M2, 3.0.0-M3, 2.11.12, 2.12.10, 2.13.3]
         java: [[email protected], [email protected]]
         platform: [jvm]
         workers: [1, 4]
         include:
           - workers: 1
             os: ubuntu-latest
             java: [email protected]
-            scala: 3.0.0-M1
+            scala: 3.0.0-M2
             platform: js
           - workers: 1
             os: ubuntu-latest
             java: [email protected]
-            scala: 3.0.0-M2
+            scala: 3.0.0-M3
             platform: js
           - workers: 1
             os: ubuntu-latest
@@ -139,7 +139,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [3.0.0-M1, 3.0.0-M2, 2.11.12, 2.12.10, 2.13.3]
+        scala: [3.0.0-M2, 3.0.0-M3, 2.11.12, 2.12.10, 2.13.3]
         java: [[email protected]]
     runs-on: ${{ matrix.os }}
     steps:

build.sbt

@@ -7,8 +7,8 @@ scalaVersionSettings
 val Scala211 = "2.11.12"
 val Scala212 = "2.12.10"
 val Scala213 = "2.13.3"
-val DottyOld = "3.0.0-M1"
-val DottyNew = "3.0.0-M2"
+val DottyOld = "3.0.0-M2"
+val DottyNew = "3.0.0-M3"
 
 ThisBuild / crossScalaVersions := Seq(DottyOld, DottyNew, Scala211, Scala212, Scala213)
 ThisBuild / scalaVersion := (ThisBuild / crossScalaVersions).value.last

jvm/src/test/scala/org/scalacheck/GenSpecification.scala

@@ -432,12 +432,12 @@ object GenSpecification extends Properties("Gen") with GenSpecificationVersionSp
 
   property("resultOf2") = {
     case class A(m: Int, s: String)
-    forAll(resultOf(A)) { (a:A) => true }
+    forAll(resultOf(A.apply _)) { (a:A) => true }
   }
 
   property("resultOf3") = {
     case class B(n: Int, s: String, b: Boolean)
-    implicit val arbB: Arbitrary[B] = Arbitrary(resultOf(B))
+    implicit val arbB: Arbitrary[B] = Arbitrary(resultOf(B.apply _))
     forAll { (b:B) => true }
   }
 
@@ -550,7 +550,7 @@ object GenSpecification extends Properties("Gen") with GenSpecificationVersionSp
   )
 
   property("22 field case class works") =
-    forAll(Gen.resultOf(Full22.tupled)) { _ => true }
+    forAll(Gen.resultOf((Full22.apply _).tupled)) { _ => true }
 
   type Trilean = Either[Unit, Boolean]
 

src/main/scala/org/scalacheck/rng/Seed.scala

@@ -55,15 +55,15 @@ sealed abstract class Seed extends Serializable {
     val b1 = c + rotateLeft(d, 37)
     val c1 = d + e
     val d1 = e + a
-    Seed(a1, b1, c1, d1)
+    Seed.apply(a1, b1, c1, d1)
   }
 
   /** Reseed the RNG using the given Long value. */
   def reseed(n: Long): Seed = {
     val n0 = ((n >>> 32) & 0xffffffff)
     val n1 = (n & 0xffffffff)
     var i = 0
-    var seed: Seed = Seed(a ^ n0, b ^ n1, c, d)
+    var seed: Seed = Seed.apply(a ^ n0, b ^ n1, c, d)
     while(i < 16) { seed = seed.next; i += 1 }
     seed
   }
@@ -105,7 +105,7 @@ object Seed {
   /** Generate a deterministic seed. */
   def apply(s: Long): Seed = {
     var i = 0
-    var seed: Seed = Seed(0xf1ea5eed, s, s, s)
+    var seed: Seed = Seed.apply(0xf1ea5eed, s, s, s)
     while (i < 20) { seed = seed.next; i += 1 }
     seed
   }