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author | Adriaan Moors <adriaan.moors@typesafe.com> | 2015-02-18 10:40:32 -0800 |
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committer | Adriaan Moors <adriaan.moors@typesafe.com> | 2015-02-18 10:40:32 -0800 |
commit | ea17de17dd8fddb509fe9bb3ce1d126cd9955abd (patch) | |
tree | efde77e7ce3f08219ea8757d7b86b8350d042939 /test | |
parent | 3a3d0de023895d8b386974bfe1fb55886cbdce83 (diff) | |
parent | b6cbee9d81320524aa2e8a3d80dbf2062dd43fd2 (diff) | |
download | scala-ea17de17dd8fddb509fe9bb3ce1d126cd9955abd.tar.gz scala-ea17de17dd8fddb509fe9bb3ce1d126cd9955abd.tar.bz2 scala-ea17de17dd8fddb509fe9bb3ce1d126cd9955abd.zip |
Merge pull request #4341 from retronym/ticket/9157
SI-9157 Avoid exponential blowup with chained type projections
Diffstat (limited to 'test')
-rw-r--r-- | test/files/pos/t9157.scala | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/files/pos/t9157.scala b/test/files/pos/t9157.scala new file mode 100644 index 0000000000..e178b5d84d --- /dev/null +++ b/test/files/pos/t9157.scala @@ -0,0 +1,13 @@ +trait Flow[-In, +Out] { + type Repr[+O] <: Flow[In, O] + def map: Repr[String] +} + +class Test { + // typechecking was exponentially slow wrt the number of projections here. + def slowFlow( + f: Flow[String,String]#Repr[String]#Repr[String]#Repr[String]#Repr[String]#Repr[String]#Repr[String]#Repr[String]#Repr[String]#Repr[String]#Repr[String]#Repr[String] + ) = { + f.map + } +} |