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author | Samuel Gruetter <samuel.gruetter@epfl.ch> | 2014-03-12 22:44:33 +0100 |
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committer | Samuel Gruetter <samuel.gruetter@epfl.ch> | 2014-03-12 22:44:33 +0100 |
commit | 9ef5f6817688f814a3450126aa7383b0928e80a0 (patch) | |
tree | 5727a2f7f7fd665cefdb312af2785c692f04377c /tests/untried/pos/simplelists.scala | |
parent | 194be919664447631ba55446eb4874979c908d27 (diff) | |
download | dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.tar.gz dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.tar.bz2 dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.zip |
add tests from scala/test/files/{pos,neg}
with explicit Unit return type
Diffstat (limited to 'tests/untried/pos/simplelists.scala')
-rw-r--r-- | tests/untried/pos/simplelists.scala | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/untried/pos/simplelists.scala b/tests/untried/pos/simplelists.scala new file mode 100644 index 000000000..ed3d5d2c3 --- /dev/null +++ b/tests/untried/pos/simplelists.scala @@ -0,0 +1,16 @@ +abstract class List[+a] { + def head: a + def tail: List[a] + def cons[b >: a](x: b): List[b] = new Cons[b, a](x, this) +} + +object Nil extends List[Nothing] { + def error(msg: String): Nothing = throw new java.lang.Error(msg) + def head: Nothing = error("Nil.head") + def tail: List[Nothing] = error("Nil.tail") +} + +class Cons[c, d <: c](x: c, xs: List[d]) extends List[c] { + def head: c = x + def tail: List[c] = xs +} |