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author | Jason Zaugg <jzaugg@gmail.com> | 2013-01-13 17:42:48 +0100 |
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committer | Adriaan Moors <adriaan.moors@typesafe.com> | 2013-01-27 22:42:02 -0800 |
commit | a87d40960bfdb4a683c05d3430a8874cb4dcff36 (patch) | |
tree | a65ddd00ebdee081055d982f6408cbfc34e9e62c /test/files/neg/t5589neg2.scala | |
parent | 02963d724c512251ce66502226408091686989ee (diff) | |
download | scala-a87d40960bfdb4a683c05d3430a8874cb4dcff36.tar.gz scala-a87d40960bfdb4a683c05d3430a8874cb4dcff36.tar.bz2 scala-a87d40960bfdb4a683c05d3430a8874cb4dcff36.zip |
SI-6968 Simple Tuple patterns aren't irrefutable
Reverts part of c82ecab. The parser can't assume that
a pattern `(a, b)` will match, as results of
`.isInstanceOf[Tuple2]` can't be statically known until
after the typer.
The reopens SI-1336, SI-5589 and SI-4574, in exchange for fixing
this regression SI-6968. Keeping all of those fixed will require
a better definition of irrefutability, and some acrobatics to
ensure safe passage to the ambiguous trees through typechecking.
Diffstat (limited to 'test/files/neg/t5589neg2.scala')
-rw-r--r-- | test/files/neg/t5589neg2.scala | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/test/files/neg/t5589neg2.scala b/test/files/neg/t5589neg2.scala deleted file mode 100644 index b7c7ab7218..0000000000 --- a/test/files/neg/t5589neg2.scala +++ /dev/null @@ -1,13 +0,0 @@ -class A { - def f1(x: List[((((Int, (Double, (Float, String))), List[String]), List[Int]), List[Float])]) = { - for (((((a, (b, (c, d))), es), fs), gs) <- x) yield (d :: es).mkString(", ") // ok - } - - def f2(x: List[((((Int, (Double, (Float, String))), List[String]), List[Int]), List[Float])]) = { - for (((((a, (b, (c, (d1, d2)))), es), fs), gs) <- x) yield (d :: es).mkString(", ") // not ok - } - - def f3(x: List[((((Int, (Double, (Float, String))), List[String]), List[Int]), List[Float])]) = { - for (((((a, (b, _)), es), fs), gs) <- x) yield (es ::: fs).mkString(", ") // ok - } -}
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