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author | Adriaan Moors <adriaan.moors@epfl.ch> | 2012-04-24 15:59:58 +0200 |
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committer | Adriaan Moors <adriaan.moors@epfl.ch> | 2012-04-24 17:43:32 +0200 |
commit | 2890714d7bcdd55b7a62091dcdf031cc3efe0822 (patch) | |
tree | 8b541f1633a4ec36b5a5e52f1a0f7bf0c2266448 /test/files | |
parent | d9740f82a3aea3b223233776cd7c9460a2e4dfc3 (diff) | |
download | scala-2890714d7bcdd55b7a62091dcdf031cc3efe0822.tar.gz scala-2890714d7bcdd55b7a62091dcdf031cc3efe0822.tar.bz2 scala-2890714d7bcdd55b7a62091dcdf031cc3efe0822.zip |
generate well-formed patterns in parser
val pattern: Type = expr desugared to
val x = expr match { case pattern: Type => (var_1, ..., var_N)}
but `pattern: Type` is only a valid pattern if `pattern` is an Ident
thus, we desugar to
val x = (expr: Type) match { case pattern => (var_1, ..., var_N)}
... in this case (see def makePatDef)
also, MaybeBoundType now fails on illegal patterns (to defend against similar regressions)
Diffstat (limited to 'test/files')
-rw-r--r-- | test/files/run/virtpatmat_valdef.check | 1 | ||||
-rw-r--r-- | test/files/run/virtpatmat_valdef.scala | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/test/files/run/virtpatmat_valdef.check b/test/files/run/virtpatmat_valdef.check new file mode 100644 index 0000000000..1a45335bd2 --- /dev/null +++ b/test/files/run/virtpatmat_valdef.check @@ -0,0 +1 @@ +meh(true,null) diff --git a/test/files/run/virtpatmat_valdef.scala b/test/files/run/virtpatmat_valdef.scala new file mode 100644 index 0000000000..f1a9b46cdd --- /dev/null +++ b/test/files/run/virtpatmat_valdef.scala @@ -0,0 +1,6 @@ +object Test extends App { + // patterns in valdefs... + // TODO: irrefutability should indicate we don't actually need to test, just deconstruct + val (modified, result) : (Boolean, String) = (true, null) + println("meh"+ (modified, result)) +}
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