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authorLukas Rytz <lukas.rytz@gmail.com>2015-03-31 14:02:51 +0200
committerLukas Rytz <lukas.rytz@gmail.com>2015-03-31 16:18:08 +0200
commitbf6398820971fb0133c53a86e6835ee0f549c35b (patch)
tree6b1f99dcf9118ca611884ea739a2d0b324706d4b /src/library
parent6372df754ca8943a5fea3455936dbb6c1723d78e (diff)
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SI-8731 don't issue a @switch warning for two-case matches
This allows annotating small pattern matches with `@switch` without getting any warnings. There's no reason to warn, the performance of the generated bytecode is good.
Diffstat (limited to 'src/library')
-rw-r--r--src/library/scala/annotation/switch.scala3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/library/scala/annotation/switch.scala b/src/library/scala/annotation/switch.scala
index 23e3923407..00124cf88b 100644
--- a/src/library/scala/annotation/switch.scala
+++ b/src/library/scala/annotation/switch.scala
@@ -22,6 +22,9 @@ package scala.annotation
}
}}}
*
+ * Note: for pattern matches with one or two cases, the compiler generates jump instructions.
+ * Annotating such a match with `@switch` does not issue any warning.
+ *
* @author Paul Phillips
* @since 2.8
*/