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| author | Jason Zaugg <jzaugg@gmail.com> | 2014-06-14 11:22:29 +0200 |
|---|---|---|
| committer | Jason Zaugg <jzaugg@gmail.com> | 2015-04-21 16:51:01 +1000 |
| commit | d12d59a178c4056fb8ea3cdf4eab5ef453c9a113 (patch) | |
| tree | e1c15f8f484db26b48d1c4ae3bed4277804a450d /src/compiler/scala/tools/nsc/transform/UnCurry.scala | |
| parent | e1895d64f87dc3c699a3ccbc8a3143b18d3b5bb1 (diff) | |
| download | scala-d12d59a178c4056fb8ea3cdf4eab5ef453c9a113.tar.gz scala-d12d59a178c4056fb8ea3cdf4eab5ef453c9a113.tar.bz2 scala-d12d59a178c4056fb8ea3cdf4eab5ef453c9a113.zip | |
Support specialized method-handle based lambdas
```
scala> (x: Int) => {??? : Int}
res2: Int => Int = $$Lambda$1371/1961176822@6ed3ccb2
scala> res2(42)
scala.NotImplementedError: an implementation is missing
at scala.Predef$.$qmark$qmark$qmark(Predef.scala:225)
at .$anonfun$1(<console>:8)
at $$Lambda$1371/1961176822.apply$mcII$sp(Unknown Source)
... 33 elided
scala> (x: Int, y: Long) => {??? : Int}
res4: (Int, Long) => Int = $$Lambda$1382/1796047085@6f8e8894
scala> res4(0, 0L)
scala.NotImplementedError: an implementation is missing
at scala.Predef$.$qmark$qmark$qmark(Predef.scala:225)
at .$anonfun$1(<console>:8)
at $$Lambda$1382/1796047085.apply$mcIIJ$sp(Unknown Source)
... 33 elided
```
Diffstat (limited to 'src/compiler/scala/tools/nsc/transform/UnCurry.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/transform/UnCurry.scala | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/transform/UnCurry.scala b/src/compiler/scala/tools/nsc/transform/UnCurry.scala index 6484d96a52..836ea808ac 100644 --- a/src/compiler/scala/tools/nsc/transform/UnCurry.scala +++ b/src/compiler/scala/tools/nsc/transform/UnCurry.scala @@ -237,7 +237,7 @@ abstract class UnCurry extends InfoTransform def canUseDelamdafyMethod = ( (inConstructorFlag == 0) // Avoiding synthesizing code prone to SI-6666, SI-8363 by using old-style lambda translation - && !isSpecialized // DelambdafyTransformer currently only emits generic FunctionN-s, use the old style in the meantime + && (!isSpecialized || (settings.target.value == "jvm-1.8")) // DelambdafyTransformer currently only emits generic FunctionN-s, use the old style in the meantime ) if (inlineFunctionExpansion || !canUseDelamdafyMethod) { val parents = addSerializable(abstractFunctionForFunctionType(fun.tpe)) |