From e51207992f525ed9e32a7a9a39512b4d7e503c03 Mon Sep 17 00:00:00 2001
From: Martin Odersky <odersky@gmail.com>
Date: Tue, 5 Jun 2007 15:57:59 +0000
Subject: deprecated &f, .f, requires.

Added existential types.
---
 test/files/jvm/protectedacc.scala     |  4 ++--
 test/files/neg/bug1001.scala          |  2 +-
 test/files/neg/bug1024.check          |  4 ----
 test/files/neg/bug1024.scala          |  3 ---
 test/files/neg/bug343.scala           |  2 ++
 test/files/neg/bug648.check           |  4 ----
 test/files/neg/bug648.scala           | 14 --------------
 test/files/neg/bug752.check           |  4 ++--
 test/files/neg/bug752.scala           |  2 +-
 test/files/neg/bug783.scala           |  2 +-
 test/files/neg/bug845.scala           |  2 +-
 test/files/neg/bug846.scala           |  2 +-
 test/files/neg/bug987.scala           |  2 +-
 test/files/neg/escapes.check          |  4 ----
 test/files/neg/escapes.scala          |  6 ------
 test/files/neg/saito.scala            |  2 +-
 test/files/pos/bug0039.scala          |  2 +-
 test/files/pos/bug210.scala           |  4 ++--
 test/files/pos/bug211.scala           |  2 +-
 test/files/pos/bug267.scala           |  8 ++++----
 test/files/pos/bug360.scala           |  4 ++--
 test/files/pos/bug361.scala           |  2 +-
 test/files/pos/bug372.scala           |  2 +-
 test/files/pos/bug592.scala           |  2 +-
 test/files/pos/bug780.scala           |  2 +-
 test/files/pos/pat_iuli.scala         |  4 ++--
 test/files/pos/philippe4.scala        |  2 +-
 test/files/pos/scoping1.scala         |  2 +-
 test/files/pos/scoping3.scala         |  3 +--
 test/files/pos/unapplyContexts2.scala |  2 +-
 test/files/run/Course-2002-02.scala   | 12 ++++++------
 test/files/run/amp.scala              |  4 ++--
 test/files/run/collections.scala      |  8 ++++----
 test/files/run/ctor-order.scala       |  2 +-
 test/files/run/imports.scala          |  6 +++---
 test/files/run/patmatnew.scala        |  2 +-
 test/files/run/tuples.scala           |  4 ++--
 37 files changed, 52 insertions(+), 86 deletions(-)
 delete mode 100644 test/files/neg/bug1024.check
 delete mode 100644 test/files/neg/bug1024.scala
 delete mode 100644 test/files/neg/bug648.check
 delete mode 100644 test/files/neg/bug648.scala
 delete mode 100644 test/files/neg/escapes.check
 delete mode 100644 test/files/neg/escapes.scala

(limited to 'test')

diff --git a/test/files/jvm/protectedacc.scala b/test/files/jvm/protectedacc.scala
index 53e43d75a4..50fd66c0b5 100644
--- a/test/files/jvm/protectedacc.scala
+++ b/test/files/jvm/protectedacc.scala
@@ -84,7 +84,7 @@ package p {
 
           Console.println("meth3 = " + meth3.getClass);
 
-          val inc = &meth2(1);
+          val inc = meth2(1)_;
           Console.println("100 = " + inc("10"));
 
           getA.x;
@@ -111,7 +111,7 @@ package p {
           Console.println("meth1(1) = " + meth1(1));
           Console.println("meth2(1)(1) = " + meth2(1)("1"));
 
-          val inc = &meth2(1);
+          val inc = meth2(1)_;
           Console.println("100 = " + inc("10"));
 
           getA.x;
diff --git a/test/files/neg/bug1001.scala b/test/files/neg/bug1001.scala
index 139ade366c..1b909fb2ad 100644
--- a/test/files/neg/bug1001.scala
+++ b/test/files/neg/bug1001.scala
@@ -7,7 +7,7 @@ abstract class A
     protected val data: List[A]
 }
 
-trait B[T <: B[T]] requires T extends A {}
+trait B[T <: B[T]] extends A { self: T => }
 
 abstract class C extends A
 {
diff --git a/test/files/neg/bug1024.check b/test/files/neg/bug1024.check
deleted file mode 100644
index c70ff47ec0..0000000000
--- a/test/files/neg/bug1024.check
+++ /dev/null
@@ -1,4 +0,0 @@
-bug1024.scala:2: error: type _ escapes its defining scope as part of type (List[_], Int)
-  val (a: List[_], b) = (List(1 ,2 ,3 ), 4)
-      ^
-one error found
diff --git a/test/files/neg/bug1024.scala b/test/files/neg/bug1024.scala
deleted file mode 100644
index bddb21f727..0000000000
--- a/test/files/neg/bug1024.scala
+++ /dev/null
@@ -1,3 +0,0 @@
-object Test {
-  val (a: List[_], b) = (List(1 ,2 ,3 ), 4)
-}
diff --git a/test/files/neg/bug343.scala b/test/files/neg/bug343.scala
index d04e1479f7..ed57d2eef7 100644
--- a/test/files/neg/bug343.scala
+++ b/test/files/neg/bug343.scala
@@ -5,6 +5,8 @@ class C {
   def get:Foo = new Foo();
 }
 
+
+
 object Test  {
   def main(args:Array[String]) = {
     val c = new C().get;
diff --git a/test/files/neg/bug648.check b/test/files/neg/bug648.check
deleted file mode 100644
index 5323f86c42..0000000000
--- a/test/files/neg/bug648.check
+++ /dev/null
@@ -1,4 +0,0 @@
-bug648.scala:7: error: value newAcc escapes its defining scope as part of type newAcc.type
-      List[Symbol]() map { sym =>
-                               ^
-one error found
diff --git a/test/files/neg/bug648.scala b/test/files/neg/bug648.scala
deleted file mode 100644
index 6b8d70ff0d..0000000000
--- a/test/files/neg/bug648.scala
+++ /dev/null
@@ -1,14 +0,0 @@
-import scala.tools.nsc.transform.Transform
-
-abstract class Detach extends Transform {
-  import global._
-  class DetachTransformer extends Transformer {
-    def foo: Scope = newScope(
-      List[Symbol]() map { sym =>
-        val newAcc = sym.cloneSymbol
-        // def setFlag(mask: long): this.type
-        newAcc.setFlag(0)
-      }
-    )
-  }
-}
diff --git a/test/files/neg/bug752.check b/test/files/neg/bug752.check
index 7559a497ce..dddab530e4 100644
--- a/test/files/neg/bug752.check
+++ b/test/files/neg/bug752.check
@@ -1,6 +1,6 @@
 bug752.scala:6: error: type mismatch;
  found   : (String) => Unit
  required: (Int) => Unit
-                f(&g)
-                   ^
+                f(g _)
+                  ^
 one error found
diff --git a/test/files/neg/bug752.scala b/test/files/neg/bug752.scala
index aae0d5f4a7..00f45e323c 100644
--- a/test/files/neg/bug752.scala
+++ b/test/files/neg/bug752.scala
@@ -3,6 +3,6 @@ object Test
         def f(x : Int => Unit) : Unit = ()
         def g(x : String) : Unit = ()
         def main(argv : Array[String]) = {
-                f(&g)
+                f(g _)
         }
 }
diff --git a/test/files/neg/bug783.scala b/test/files/neg/bug783.scala
index 0180d3d634..3818910b8e 100644
--- a/test/files/neg/bug783.scala
+++ b/test/files/neg/bug783.scala
@@ -6,7 +6,7 @@ object Main extends Application {
       Console.println("outer: " + Global.this);
     }
   }
-  trait Contexts requires Analyzer {
+  trait Contexts { self: Analyzer =>
     val xxx : global.Template = {
       assert(globalInit0 != null);
       globalInit0.Template(10, 20);
diff --git a/test/files/neg/bug845.scala b/test/files/neg/bug845.scala
index c8a2faa671..26c2df52dc 100644
--- a/test/files/neg/bug845.scala
+++ b/test/files/neg/bug845.scala
@@ -11,6 +11,6 @@ object Test extends Application {
     if (a != null) f(a) else null;
 
   val bob : Bob = null;
-  val bar = ifn(bob)(.bar);
+  val bar = ifn(bob)(_.bar);
   assert(bar == null);
 }
diff --git a/test/files/neg/bug846.scala b/test/files/neg/bug846.scala
index be105a71aa..acf8462030 100644
--- a/test/files/neg/bug846.scala
+++ b/test/files/neg/bug846.scala
@@ -8,6 +8,6 @@ trait Test {
   def ifn[A,B](a : A)(f : A => B): B =
     if (a != null) f(a) else null
   val bob : Bob = null;
-  val bar = ifn(bob)(.bar);
+  val bar = ifn(bob)(_.bar);
   assert(bar == null);
 }
diff --git a/test/files/neg/bug987.scala b/test/files/neg/bug987.scala
index dcd3ce1d07..fc66a6f874 100644
--- a/test/files/neg/bug987.scala
+++ b/test/files/neg/bug987.scala
@@ -5,7 +5,7 @@
 
 class A {}
 
-trait B[T <: B[T]] requires T {}
+trait B[T <: B[T]] { self: T => }
 
 abstract class C extends A with B[C]
 {
diff --git a/test/files/neg/escapes.check b/test/files/neg/escapes.check
deleted file mode 100644
index 3c4473e6b6..0000000000
--- a/test/files/neg/escapes.check
+++ /dev/null
@@ -1,4 +0,0 @@
-escapes.scala:2: error: type t escapes its defining scope as part of type t
-  def f(x: Any) = x match { case y: Cell[t] => y.elem }
-                                                ^
-one error found
diff --git a/test/files/neg/escapes.scala b/test/files/neg/escapes.scala
deleted file mode 100644
index 3a280e8d0a..0000000000
--- a/test/files/neg/escapes.scala
+++ /dev/null
@@ -1,6 +0,0 @@
-object Test {
-  def f(x: Any) = x match { case y: Cell[t] => y.elem }
-  class C3[T](val elem: T)
-  class D3[T](val elemD: T) extends C3[T](elemD)
-  def f[T](x: C3[T]) = x match { case d: D3[t] => d.elemD }
-}
diff --git a/test/files/neg/saito.scala b/test/files/neg/saito.scala
index a8bcc79d65..b4fcd598e4 100644
--- a/test/files/neg/saito.scala
+++ b/test/files/neg/saito.scala
@@ -1,5 +1,5 @@
 class B {}
-class A requires B {
+class A { self: B =>
     def m(): B = {
         this
     }
diff --git a/test/files/pos/bug0039.scala b/test/files/pos/bug0039.scala
index e1fc62f40f..652c606b0e 100644
--- a/test/files/pos/bug0039.scala
+++ b/test/files/pos/bug0039.scala
@@ -1,4 +1,4 @@
-abstract class Extensible[A, This <: Extensible[A, This]](x: A, xs: This) requires This {
+abstract class Extensible[A, This <: Extensible[A, This]](x: A, xs: This) { self: This =>
 	def mkObj(x: A, xs: This): This;
 }
 class Fixed[A](x: A, xs: Fixed[A]) extends Extensible[A, Fixed[A]](x, xs) {
diff --git a/test/files/pos/bug210.scala b/test/files/pos/bug210.scala
index efcad531d9..9a7ef62cd9 100644
--- a/test/files/pos/bug210.scala
+++ b/test/files/pos/bug210.scala
@@ -1,13 +1,13 @@
 trait Lang1 {
   trait Exp;
   trait Visitor { def f(left: Exp): unit; }
-  class Eval1 requires Visitor extends Visitor {
+  class Eval1 extends Visitor { self: Visitor =>
     def f(left: Exp) = ();
   }
 }
 
 trait Lang2 extends Lang1 {
-  class Eval2 requires Visitor extends Eval1;
+  class Eval2 extends Eval1 { self: Visitor => }
 }
 /*
 object Main with Application {
diff --git a/test/files/pos/bug211.scala b/test/files/pos/bug211.scala
index 424a396ea1..1c2c54934d 100644
--- a/test/files/pos/bug211.scala
+++ b/test/files/pos/bug211.scala
@@ -1,6 +1,6 @@
 trait A;
 trait B;
-class Foo requires (A with B) extends A with B;
+class Foo extends A with B { self: A with B => }
 object Test extends Application {
   new Foo();
   Console.println("bug211 completed");
diff --git a/test/files/pos/bug267.scala b/test/files/pos/bug267.scala
index 66add083f7..92282f77a2 100644
--- a/test/files/pos/bug267.scala
+++ b/test/files/pos/bug267.scala
@@ -11,7 +11,7 @@ trait Base {
   trait Exp {
     def eval: int
   }
-  class Num(v: int) requires exp extends Exp {
+  class Num(v: int) extends Exp { self: exp =>
     val value = v;
     def eval = value
   }
@@ -26,7 +26,7 @@ object testBase extends Application with Base {
 /** Data extension: An extension of `Base' with `Plus' expressions
  */
 trait BasePlus extends Base {
-  class Plus(l: exp, r: exp) requires exp extends Exp {
+  class Plus(l: exp, r: exp) extends Exp { self: exp =>
     val left = l;
     val right = r;
     def eval = left.eval + right.eval
@@ -41,7 +41,7 @@ trait Show extends Base {
   trait Exp1 extends Exp {
     def show: String;
   }
-  class Num1(v: int) requires (exp with Num1) extends Num(v) with Exp1 {
+  class Num1(v: int) extends Num(v) with Exp1 { self: exp with Num1 =>
     def show = value.toString();
   }
 }
@@ -49,7 +49,7 @@ trait Show extends Base {
 /** Operation extension: An extension of `BasePlus' with 'show' methods.
  */
 trait ShowPlus extends BasePlus with Show {
-  class Plus1(l: exp, r: exp) requires (exp with Plus1) extends Plus(l, r) with Exp1 {
+  class Plus1(l: exp, r: exp) extends Plus(l, r) with Exp1 { self: exp with Plus1 =>
     def show = left.show + " + " + right.show
   }
 }
diff --git a/test/files/pos/bug360.scala b/test/files/pos/bug360.scala
index 0860eb8ee3..64a02519cc 100644
--- a/test/files/pos/bug360.scala
+++ b/test/files/pos/bug360.scala
@@ -1,9 +1,9 @@
 // $Id$
 
-abstract class Bug360A requires Bug360C {
+abstract class Bug360A { self: Bug360C =>
   def f: String = "hello";
 }
-trait Bug360B requires Bug360C {
+trait Bug360B { self: Bug360C =>
   object d {
     Console.println(f);
   }
diff --git a/test/files/pos/bug361.scala b/test/files/pos/bug361.scala
index b12097e2cb..1e490c3812 100644
--- a/test/files/pos/bug361.scala
+++ b/test/files/pos/bug361.scala
@@ -2,7 +2,7 @@
 
 class Bug361Global extends Bug361Trees;
 
-abstract class Bug361Trees requires Bug361Global {
+abstract class Bug361Trees { self: Bug361Global =>
 
   abstract class Tree {
     var pos: int = 0;
diff --git a/test/files/pos/bug372.scala b/test/files/pos/bug372.scala
index 162248657b..44c248bcd1 100644
--- a/test/files/pos/bug372.scala
+++ b/test/files/pos/bug372.scala
@@ -1,4 +1,4 @@
 // $Id$
 
 class Bug372Names;
-class Bug372Symbols requires (Bug372Symbols with Bug372Names);
+class Bug372Symbols { self: Bug372Symbols with Bug372Names => }
diff --git a/test/files/pos/bug592.scala b/test/files/pos/bug592.scala
index 4d41f112ee..6a941ef51a 100644
--- a/test/files/pos/bug592.scala
+++ b/test/files/pos/bug592.scala
@@ -22,7 +22,7 @@ abstract class DirectedGraph extends Graph {
     override def toString = ""+origin+" --> "+dest
   }
 
-  class NodeImpl requires Node extends NodeIntf {
+  class NodeImpl extends NodeIntf { self: Node =>
     val id = ids
     ids = ids + 1
     def connectWith(node: Node): Edge = {
diff --git a/test/files/pos/bug780.scala b/test/files/pos/bug780.scala
index 0b4601c219..7ed6745d9f 100644
--- a/test/files/pos/bug780.scala
+++ b/test/files/pos/bug780.scala
@@ -1,2 +1,2 @@
 class B extends A { protected val x = false }
-trait A requires B { x }
+trait A { self: B => x }
diff --git a/test/files/pos/pat_iuli.scala b/test/files/pos/pat_iuli.scala
index 9d5d1c4776..46356ff588 100644
--- a/test/files/pos/pat_iuli.scala
+++ b/test/files/pos/pat_iuli.scala
@@ -1,4 +1,4 @@
-trait Ops requires MyCodes {
+trait Ops { self: MyCodes =>
   abstract class Instru
   object opcodes {
     case class SWITCH(i:Int) extends Instru
@@ -6,7 +6,7 @@ trait Ops requires MyCodes {
   }
 }
 
-trait Blox requires MyCodes {
+trait Blox { self: MyCodes =>
   import opcodes._
   class Basick {
     var foo: Instru = null
diff --git a/test/files/pos/philippe4.scala b/test/files/pos/philippe4.scala
index c98aa2236e..9ce3691f5e 100644
--- a/test/files/pos/philippe4.scala
+++ b/test/files/pos/philippe4.scala
@@ -1,3 +1,3 @@
-trait Foo[t <: Foo[t]] requires t {
+trait Foo[t <: Foo[t]] { self: t =>
   def foo(that: t): Boolean;
 }
diff --git a/test/files/pos/scoping1.scala b/test/files/pos/scoping1.scala
index ee714af1b0..c72df7fa8b 100644
--- a/test/files/pos/scoping1.scala
+++ b/test/files/pos/scoping1.scala
@@ -2,7 +2,7 @@ object This extends Application {
      trait A {
          def foo(): unit;
      }
-     class C requires A {
+     class C { self: A =>
          def bar() = this.foo();
      }
   class D extends C with A {
diff --git a/test/files/pos/scoping3.scala b/test/files/pos/scoping3.scala
index 7f45723ce2..c1a65e287f 100644
--- a/test/files/pos/scoping3.scala
+++ b/test/files/pos/scoping3.scala
@@ -15,8 +15,7 @@ object CI {
    trait TreeDisplayFinal extends TreeDisplay with TreeDisplayExp {
    	type TreeNode <: ITreeNode with ITreeNodeExp;
    }
-   abstract class SimpleTreeDisplay requires TreeDisplayFinal extends
-TreeDisplay {
+   abstract class SimpleTreeDisplay extends TreeDisplay { self: TreeDisplayFinal =>
      def display() = { this.getRoot().display(); }
    }
 }
diff --git a/test/files/pos/unapplyContexts2.scala b/test/files/pos/unapplyContexts2.scala
index fcf1e2ff62..1db8c5160f 100644
--- a/test/files/pos/unapplyContexts2.scala
+++ b/test/files/pos/unapplyContexts2.scala
@@ -2,7 +2,7 @@ trait Analyzer {
   val WILDCARD = "23"
 }
 
-trait Contexts2 requires Analyzer {
+trait Contexts2 { self: Analyzer =>
   class Context {
     def collect(sels: List[String]): List[String] = sels match {
       case List(WILDCARD) => val dummy = WILDCARD; Nil
diff --git a/test/files/run/Course-2002-02.scala b/test/files/run/Course-2002-02.scala
index 9d8b8da389..e688850f9a 100644
--- a/test/files/run/Course-2002-02.scala
+++ b/test/files/run/Course-2002-02.scala
@@ -140,9 +140,9 @@ object M6 {
     if (a > b) 0
     else f(a) + sum(f)(a + 1, b);
 
-  def sumInts = &sum(x => x)
-  def sumCubes = &sum(x => x * x * x)
-  def sumReciprocals = &sum(x => 1.0/x)
+  def sumInts = sum(x => x)_
+  def sumCubes = sum(x => x * x * x)_
+  def sumReciprocals = sum(x => 1.0/x)_
   def sumPi = { n: Int => 4 + sum(x => 4.0/(4*x+1) - 4.0/(4*x-1))(1, n) }
 
   Console.println(sumInts(1,4))
@@ -163,9 +163,9 @@ object M7 {
     iter(a, 0)
   }
 
-  def sumInts = &sum(x => x)
-  def sumCubes = &sum(x => x * x * x)
-  def sumReciprocals = &sum(x => 1.0/x)
+  def sumInts = sum(x => x)_
+  def sumCubes = sum(x => x * x * x)_
+  def sumReciprocals = sum(x => 1.0/x)_
   def sumPi = { n: Int => 4 + sum(x => 4.0/(4*x+1) - 4.0/(4*x-1))(1, n) }
 
   Console.println(sumInts(1,4))
diff --git a/test/files/run/amp.scala b/test/files/run/amp.scala
index 62451b62ba..d46461ba20 100644
--- a/test/files/run/amp.scala
+++ b/test/files/run/amp.scala
@@ -2,12 +2,12 @@ object Test extends Application {
 
   def foo() = {
     def f: int = 1
-    val x = &f
+    val x = f _
     x
   }
 
   def bar(g: => int) = {
-    &g
+    g _
   }
 
   Console.println((bar{ Console.println("g called"); 42 })())
diff --git a/test/files/run/collections.scala b/test/files/run/collections.scala
index f0a005d198..3f3bfb6b06 100644
--- a/test/files/run/collections.scala
+++ b/test/files/run/collections.scala
@@ -54,10 +54,10 @@ object Test extends Application {
     var s = s0
     s = s + (2 -> 2)
     s = s + (3 -> 3, 4000 -> 4000, 10000 -> 10000)
-    Console.println("test1: "+sum(s map (._2)))
+    Console.println("test1: "+sum(s map (_._2)))
     time {
       s = s ++ (List.range(0, iters) map (x => x * 2 -> x * 2))
-      Console.println("test2: "+sum(s map (._2))+", iters = "+iters)
+      Console.println("test2: "+sum(s map (_._2))+", iters = "+iters)
     }
     time {
       var x = 0
@@ -89,10 +89,10 @@ object Test extends Application {
     var s = s0
     s = s + (2 -> 2)
     s = s + (3 -> 3, 4000 -> 4000, 10000 -> 10000)
-    Console.println("test1: "+sum(s map (._2)))
+    Console.println("test1: "+sum(s map (_._2)))
     time {
       s = s ++ (List.range(0, iters) map (x => x * 2 -> x * 2))
-      Console.println("test2: "+sum(s map (._2))+", iters = "+iters)
+      Console.println("test2: "+sum(s map (_._2))+", iters = "+iters)
     }
     time {
       var x = 0
diff --git a/test/files/run/ctor-order.scala b/test/files/run/ctor-order.scala
index 53b580cb02..6201a4b70f 100644
--- a/test/files/run/ctor-order.scala
+++ b/test/files/run/ctor-order.scala
@@ -14,7 +14,7 @@ class Outer {
     val outer = Outer.this;
   }
 
-  trait M1 requires X {
+  trait M1 { self: X =>
     Console.println(global.x);
     Console.println(outer.global.x);
   }
diff --git a/test/files/run/imports.scala b/test/files/run/imports.scala
index d976478d8b..22e6fa9ca5 100644
--- a/test/files/run/imports.scala
+++ b/test/files/run/imports.scala
@@ -6,11 +6,11 @@
 //############################################################################
 
 object checker {
-  def check(where: String, what: String, value: Any): Unit = {
-    Console.print("In " + where + ", " + what + ".toString() returns ");
+  def check(location: String, what: String, value: Any): Unit = {
+    Console.print("In " + location + ", " + what + ".toString() returns ");
     Console.flush;
     val string: String = if (value == null) "null" else value.toString();
-    val test = if (string == where) "ok" else "KO";
+    val test = if (string == location) "ok" else "KO";
     Console.println(string + " -> " + test);
     Console.flush;
   }
diff --git a/test/files/run/patmatnew.scala b/test/files/run/patmatnew.scala
index 4f6649f8b6..f8216177cd 100644
--- a/test/files/run/patmatnew.scala
+++ b/test/files/run/patmatnew.scala
@@ -1,4 +1,4 @@
-trait Treez requires Shmeez {
+trait Treez { self: Shmeez =>
   abstract class Tree
   case class Beez(i:Int) extends Tree
   case object HagbardCeline extends Tree
diff --git a/test/files/run/tuples.scala b/test/files/run/tuples.scala
index 857b166917..b03167adee 100644
--- a/test/files/run/tuples.scala
+++ b/test/files/run/tuples.scala
@@ -13,9 +13,9 @@ object Test extends Application {
 
    def params = (2, "xxx", 3.14159)  // (*****)
 
-   tupled(&func)(params) // call the function with all the params at once
+   tupled(func _)(params) // call the function with all the params at once
    func(2, "xxx", 3.14159) // the same call
-   (&func).apply(2, "xxx", 3.14159) // the same call
+   (func _).apply(2, "xxx", 3.14159) // the same call
 
    // Composing a tuple
    def t = (1, "Hello", false)
-- 
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