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authorSamuel Gruetter <samuel.gruetter@epfl.ch>2014-03-12 22:44:33 +0100
committerSamuel Gruetter <samuel.gruetter@epfl.ch>2014-03-12 22:44:33 +0100
commit9ef5f6817688f814a3450126aa7383b0928e80a0 (patch)
tree5727a2f7f7fd665cefdb312af2785c692f04377c /tests/untried/pos/spec-partialmap.scala
parent194be919664447631ba55446eb4874979c908d27 (diff)
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add tests from scala/test/files/{pos,neg}
with explicit Unit return type
Diffstat (limited to 'tests/untried/pos/spec-partialmap.scala')
-rw-r--r--tests/untried/pos/spec-partialmap.scala17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/untried/pos/spec-partialmap.scala b/tests/untried/pos/spec-partialmap.scala
new file mode 100644
index 000000000..09684e024
--- /dev/null
+++ b/tests/untried/pos/spec-partialmap.scala
@@ -0,0 +1,17 @@
+
+// ticket #3378, overloaded specialized variants
+import scala.collection.{Traversable,TraversableLike};
+import scala.collection.generic.CanBuildFrom;
+
+trait PartialMap[@specialized A,@specialized B]
+extends PartialFunction[A,B] with Iterable[(A,B)] {
+
+ // commenting out this declaration gives a different exception.
+ /** Getter for all values for which the given key function returns true. */
+ def apply(f : (A => Boolean)) : Iterator[B] =
+ for ((k,v) <- iterator; if f(k)) yield v;
+
+ // if this is commented, it compiles fine:
+ def apply[This <: Traversable[A], That](keys : TraversableLike[A,This])
+ (implicit bf: CanBuildFrom[This, B, That]) : That = keys.map(apply);
+}