Changeset 6756 for lang/scala/sandbox

Timestamp:

02/16/08 03:33:05 (10 months ago)

Author:

keisuken

Message:

write to new loop algorithm at last comment.

Files:

• lang/scala/sandbox/src/jp/ne/cappuccino/keisuken/scl/lang/Loop.scala (modified) (1 diff)

lang/scala/sandbox/src/jp/ne/cappuccino/keisuken/scl/lang/Loop.scala

@@ -269 +269 @@
   }
 }
+/*
+  val context = new DynamicVariable[Found[Any]](null)
+
+  def found[T](result :T) {
+    context.value.result = Some(result)
+    context.value.cond = false
+  }
+
+  def notFound[T](result :T) {
+    context.value.result = None
+    context.value.cond = false
+  }
+
+  def findFor2[A, B]
+    (iterable: Iterable[A])(p: A => Unit): Option[B] = {
+    context.withValue(new Found[Any]) {
+      val iterator = iterable.elements
+      while(context.value.cond && iterator.hasNext) p(iterator.next)
+      context.value.result.asInstanceOf[Option[B]]
+    }
+  }
+
+
+
+    println("---- findFor2(iterator)")
+    sResult = findFor2[String,String](Array("abc", "cde", "efg")){value =>
+      if(value == "efg") found(value)
+    }
+    sResult match {
+      case Some(result) => println(result)
+      case None => println("Not found")
+    }
+
+
+
+    println("---- findFor2(iterator)")
+    sResult = findFor2(Array("abc", "cde", "efg")){value :String =>
+      if(value == "efg") found(value)
+    }
+    sResult match {
+      case Some(result) => println(result)
+      case None => println("Not found")
+    }
+*/