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authorPaul Phillips <paulp@improving.org>2013-01-25 14:15:45 -0800
committerPaul Phillips <paulp@improving.org>2013-01-25 16:28:44 -0800
commitf3ac123f345b095580d1839e0f67ea07c6837946 (patch)
tree10322987043f41284f35da1d9a349e01179fcccb /src/reflect
parentf01af109ae975461fe5a3120a69814521968fcce (diff)
parentac432bcde6b357194203d25df5f204ab8e426416 (diff)
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Merge commit 'ac432bcde6' into pr/merge-2.10
* commit 'ac432bcde6': Fix broken build. SI-6434 Pretty print function types with by name arg as (=> A) => B Removed class files. SI-6994 Avoid spurious promiscuous catch warning Addressing warnings. SI-6439 Avoid spurious REPL warnings about companionship use ArrayBuffer instead of Array to build Formulae SI-6942 more efficient unreachability analysis use Constant::isIntRange even if it's NIH SI-6956 determine switchability by type, not tree SI-5568 Comment improvements for getClass on primitive intersection. SI-5568 Fixes verify error from getClass on refinement of value type SI-6923 Context now buffers warnings as well as errors Conflicts: src/compiler/scala/tools/nsc/interpreter/IMain.scala src/compiler/scala/tools/nsc/transform/Erasure.scala src/compiler/scala/tools/nsc/typechecker/Contexts.scala src/compiler/scala/tools/nsc/typechecker/Typers.scala test/files/neg/t4851.check Note: This merge excludes b07228aebe7a as it breaks master.
Diffstat (limited to 'src/reflect')
-rw-r--r--src/reflect/scala/reflect/internal/Types.scala4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/reflect/scala/reflect/internal/Types.scala b/src/reflect/scala/reflect/internal/Types.scala
index 77634c1894..b336192b67 100644
--- a/src/reflect/scala/reflect/internal/Types.scala
+++ b/src/reflect/scala/reflect/internal/Types.scala
@@ -2461,7 +2461,9 @@ trait Types extends api.Types { self: SymbolTable =>
targs match {
case in :: out :: Nil if !isTupleType(in) =>
// A => B => C should be (A => B) => C or A => (B => C)
- val in_s = if (isFunctionType(in)) "(" + in + ")" else "" + in
+ // Also if A is byname, then we want (=> A) => B because => is right associative and => A => B
+ // would mean => (A => B) which is a different type
+ val in_s = if (isFunctionType(in) || isByNameParamType(in)) "(" + in + ")" else "" + in
val out_s = if (isFunctionType(out)) "(" + out + ")" else "" + out
in_s + " => " + out_s
case xs =>