diff options
| author | Lukas Rytz <lukas.rytz@gmail.com> | 2015-03-31 14:02:51 +0200 |
|---|---|---|
| committer | Lukas Rytz <lukas.rytz@gmail.com> | 2015-03-31 16:18:08 +0200 |
| commit | bf6398820971fb0133c53a86e6835ee0f549c35b (patch) | |
| tree | 6b1f99dcf9118ca611884ea739a2d0b324706d4b /src/compiler/scala/tools/nsc/transform/patmat/MatchTreeMaking.scala | |
| parent | 6372df754ca8943a5fea3455936dbb6c1723d78e (diff) | |
| download | scala-bf6398820971fb0133c53a86e6835ee0f549c35b.tar.gz scala-bf6398820971fb0133c53a86e6835ee0f549c35b.tar.bz2 scala-bf6398820971fb0133c53a86e6835ee0f549c35b.zip | |
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/compiler/scala/tools/nsc/transform/patmat/MatchTreeMaking.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/transform/patmat/MatchTreeMaking.scala | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/src/compiler/scala/tools/nsc/transform/patmat/MatchTreeMaking.scala b/src/compiler/scala/tools/nsc/transform/patmat/MatchTreeMaking.scala index b703b5bc6d..e1fe220556 100644 --- a/src/compiler/scala/tools/nsc/transform/patmat/MatchTreeMaking.scala +++ b/src/compiler/scala/tools/nsc/transform/patmat/MatchTreeMaking.scala @@ -577,8 +577,6 @@ trait MatchTreeMaking extends MatchCodeGen with Debugging { lengthMax3(casesNoSubstOnly) > 2 } val requireSwitch = hasSwitchAnnotation && exceedsTwoCasesOrAlts - if (hasSwitchAnnotation && !requireSwitch) - reporter.warning(scrut.pos, "matches with two cases or fewer are emitted using if-then-else instead of switch") (suppression, requireSwitch) case _ => (Suppression.NoSuppression, false) |