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author | Martin Odersky <odersky@gmail.com> | 2016-02-02 10:21:12 +0100 |
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committer | Martin Odersky <odersky@gmail.com> | 2016-02-09 09:43:08 +0100 |
commit | ec4a3a0f4d0b8cccf636d1608896e7cafba9dec0 (patch) | |
tree | 9b732c1937b3d781b117a445a95c7f5e6ffb8bbf /tests/neg/i1050c.scala | |
parent | d34256c14a507dbdaea10bd83e8006cdafb9c799 (diff) | |
download | dotty-ec4a3a0f4d0b8cccf636d1608896e7cafba9dec0.tar.gz dotty-ec4a3a0f4d0b8cccf636d1608896e7cafba9dec0.tar.bz2 dotty-ec4a3a0f4d0b8cccf636d1608896e7cafba9dec0.zip |
Big realizability refactoring
Move logic from TypeOps to new file CheckRealizable.scala.
Also check realizable fields under strict mode.
Check at phase PostTyper rather than Typer to avoid cycles.
New tests for imports and deep paths.
Diffstat (limited to 'tests/neg/i1050c.scala')
-rw-r--r-- | tests/neg/i1050c.scala | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/neg/i1050c.scala b/tests/neg/i1050c.scala new file mode 100644 index 000000000..ece1f9986 --- /dev/null +++ b/tests/neg/i1050c.scala @@ -0,0 +1,31 @@ +// i1050 checks failing at typer +object Import { + trait A { type L <: Nothing } + trait B { type L >: Any} + trait U { + lazy val p: B + locally { val x: p.L = ??? } // error: nonfinal lazy + locally { + import p._ + val x: L = ??? // error: nonfinal lazy + } + } +} +object Tiark4 { + trait U { + type Y + trait X { type L = Y } + def compute: X + final lazy val p: X = compute + def brand(x: Y): p.L = x + } + trait V extends U { + type Y >: Any <: Nothing + def compute: X = ??? + } + val v = new V {} // error: cannot be instantiated + v.brand("boom!") +} +object V { // error: cannot be instantiated + type Y >: Any <: Nothing // error: only classes can have declared but undefined members +} |