From 225fac5af513f7bc7edd7b7e8e262ab151ef823e Mon Sep 17 00:00:00 2001
From: Martin Odersky <odersky@gmail.com>
Date: Fri, 15 Jun 2007 18:00:19 +0000
Subject: more existentials

---
 test/files/run/existentials.check |  3 +++
 test/files/run/existentials.scala | 48 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 test/files/run/existentials.check
 create mode 100755 test/files/run/existentials.scala

(limited to 'test/files/run')

diff --git a/test/files/run/existentials.check b/test/files/run/existentials.check
new file mode 100644
index 0000000000..c1bffda530
--- /dev/null
+++ b/test/files/run/existentials.check
@@ -0,0 +1,3 @@
+Int 2
+Float 2
+Cell(abc)
diff --git a/test/files/run/existentials.scala b/test/files/run/existentials.scala
new file mode 100755
index 0000000000..3d51751996
--- /dev/null
+++ b/test/files/run/existentials.scala
@@ -0,0 +1,48 @@
+class Foo {
+  class Line {
+    case class Cell[T](var x: T)
+    def f[T](x: Any): Cell[t1] for_some { type t1 } = x match { case y: Cell[t] => y }
+
+    var x: Cell[T] for_some { type T } = new Cell(1)
+    println({ x = new Cell("abc"); x })
+  }
+}
+
+trait Counter[T] {
+   def newCounter: T
+   def get(i: T): Int
+   def inc(i: T): T
+ }
+
+ object Test extends Application {
+
+   def foo(x : Counter[T] { def name : String } for_some { type T }) = x match {
+     case ctr: Counter[t] =>
+       val c = ctr.newCounter
+       println(ctr.name+" "+ctr.get(ctr.inc(ctr.inc(c))))
+     case _ =>
+   }
+
+   var ex: Counter[T] for_some { type T } = _
+   ex = ci
+   ex = cf
+
+   val ci = new Counter[Int] {
+     def newCounter = 0
+     def get(i: Int) = i
+     def inc(i: Int) = i+1
+     def name = "Int"
+   }
+
+   val cf = new Counter[Float] {
+     def newCounter = 0
+     def get(i: Float) = i.intValue
+     def inc(i: Float) = i+1
+     def name = "Float"
+   }
+
+   foo(ci)
+   foo(cf)
+   val foo = new Foo
+   new foo.Line
+}
-- 
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