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| author | Paul Phillips <paulp@improving.org> | 2013-10-01 20:28:48 -0700 |
|---|---|---|
| committer | Paul Phillips <paulp@improving.org> | 2013-10-01 20:41:41 -0700 |
| commit | 5708e9d73ba01c286d7155606b72caeab914face (patch) | |
| tree | 422ca2158adb3392aa3826ea9ab9cae4a379f5ce /src/library/scala/util/control | |
| parent | 95d5554b9a263e3eb060c181463234f3e79864ab (diff) | |
| download | scala-5708e9d73ba01c286d7155606b72caeab914face.tar.gz scala-5708e9d73ba01c286d7155606b72caeab914face.tar.bz2 scala-5708e9d73ba01c286d7155606b72caeab914face.zip | |
SI-6680 unsoundness in gadt typing.
Introduces -Xstrict-inference to deal with the significant
gap between soundness and what presently compiles. I'm hopeful
that it's TOO strict, because it finds e.g. 75 errors compiling
immutable/IntMap.scala, but it might be that bad.
Diffstat (limited to 'src/library/scala/util/control')
| -rw-r--r-- | src/library/scala/util/control/TailCalls.scala | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/library/scala/util/control/TailCalls.scala b/src/library/scala/util/control/TailCalls.scala index c3e7d98073..953d5b407e 100644 --- a/src/library/scala/util/control/TailCalls.scala +++ b/src/library/scala/util/control/TailCalls.scala @@ -55,7 +55,7 @@ object TailCalls { case Done(a) => Call(() => f(a)) case c@Call(_) => Cont(c, f) // Take advantage of the monad associative law to optimize the size of the required stack - case Cont(s, g) => Cont(s, (x:Any) => g(x).flatMap(f)) + case c: Cont[a1, b1] => Cont(c.a, (x: a1) => c f x flatMap f) } /** Returns either the next step of the tailcalling computation, |