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author | Martin Odersky <odersky@gmail.com> | 2016-01-31 14:03:26 +0100 |
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committer | Martin Odersky <odersky@gmail.com> | 2016-02-09 09:43:05 +0100 |
commit | 9a6f82b2ecfd7462d0a1f4e0464878fd58231277 (patch) | |
tree | 8e9e46b08d7fdf45f4b1fd06b30d7e35c43f05b1 /tests/pos-scala2/t2994.scala | |
parent | 44c14b3fb6e5eb6f2b9734f092eef1d85f6b4d18 (diff) | |
download | dotty-9a6f82b2ecfd7462d0a1f4e0464878fd58231277.tar.gz dotty-9a6f82b2ecfd7462d0a1f4e0464878fd58231277.tar.bz2 dotty-9a6f82b2ecfd7462d0a1f4e0464878fd58231277.zip |
Reorganize tests to account for new typing of projection
Tests with failed projections are moved to pos-scala2, which
was renamed from pos-special. Files in pos-scala2 are compiled
with -language:Scala2 option.
Diffstat (limited to 'tests/pos-scala2/t2994.scala')
-rw-r--r-- | tests/pos-scala2/t2994.scala | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/pos-scala2/t2994.scala b/tests/pos-scala2/t2994.scala new file mode 100644 index 000000000..c7421c42a --- /dev/null +++ b/tests/pos-scala2/t2994.scala @@ -0,0 +1,35 @@ +object Naturals { + trait NAT { + type a[s[_ <: NAT] <: NAT, z <: NAT] <: NAT + type v = a[SUCC, ZERO] + } + final class ZERO extends NAT { + type a[s[_ <: NAT] <: NAT, z <: NAT] = z + } + final class SUCC[n <: NAT] extends NAT { + type a[s[_ <: NAT] <: NAT, z <: NAT] = s[n#a[s, z]] + } + type _0 = ZERO + type _1 = SUCC[_0] + type _2 = SUCC[_1] + type _3 = SUCC[_2] + type _4 = SUCC[_3] + type _5 = SUCC[_4] + type _6 = SUCC[_5] + + + // crashes scala-2.8.0 beta1 + trait MUL[n <: NAT, m <: NAT] extends NAT { + trait curry[n[_, _], s[_]] { type f[z <: NAT] = n[s, z] } + type a[s[_ <: NAT] <: NAT, z <: NAT] = n#a[curry[m#a, s]#f, z] + } + +} + +object Test { + trait Bar[X[_]] + trait Baz[S[_] <: Bar[S]] { + type Apply[T] + } + trait Foo[V[_] <: Bar[V]] extends Bar[Baz[V]#Apply] +} |