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| author | Martin Odersky <odersky@gmail.com> | 2016-07-12 18:12:27 +0200 |
|---|---|---|
| committer | Martin Odersky <odersky@gmail.com> | 2016-07-12 18:14:04 +0200 |
| commit | c7f3b45abf221c432b3fbd7462741b00a9e10142 (patch) | |
| tree | 32171eb1c314e64f155fbd05d9ef01e43cac4f53 /tests/neg | |
| parent | 84a1a7ae7b1e4931fe04a5a21a04bb858e8acebb (diff) | |
| download | dotty-c7f3b45abf221c432b3fbd7462741b00a9e10142.tar.gz dotty-c7f3b45abf221c432b3fbd7462741b00a9e10142.tar.bz2 dotty-c7f3b45abf221c432b3fbd7462741b00a9e10142.zip | |
Drop restriction to 2nd order hk types
Allow hk type parameters to be higher kinded themselves.
Diffstat (limited to 'tests/neg')
| -rw-r--r-- | tests/neg/t2994.scala | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/tests/neg/t2994.scala b/tests/neg/t2994.scala index 23a3b6a8b..6964a080e 100644 --- a/tests/neg/t2994.scala +++ b/tests/neg/t2994.scala @@ -7,7 +7,7 @@ object Naturals { 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]] // old-error: not a legal path + type a[s[_ <: NAT] <: NAT, z <: NAT] = s[n#a[s, z]] // error: not a legal path } type _0 = ZERO type _1 = SUCC[_0] @@ -20,8 +20,8 @@ object Naturals { // 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] } // can't do double param lists: // error: `]' expected but `[` found. // error: wrong number of type arguments - type a[s[_ <: NAT] <: NAT, z <: NAT] = n#a[curry[m#a, s]#f, z] // old-error: not a legal path // old-error: not a legal path + 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] // error: not a legal path // error: not a legal path } } |