diff options
| author | Seth Tisue <seth@tisue.net> | 2017-04-10 14:34:51 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-04-10 14:34:51 -0500 |
| commit | 15e2759f49a3ef0f71290f4bbd9839cbf2346b0e (patch) | |
| tree | a809f665e61208cb7e8ae098c676e80f341a68ed /src/reflect/scala/reflect/internal/StdAttachments.scala | |
| parent | 715c88e9b74d1b4d1d0c4da9d0cc8f1b740e2dd3 (diff) | |
| parent | bad61ce0ff9f460c2f8873c134a7f6bee0a53824 (diff) | |
| download | scala-15e2759f49a3ef0f71290f4bbd9839cbf2346b0e.tar.gz scala-15e2759f49a3ef0f71290f4bbd9839cbf2346b0e.tar.bz2 scala-15e2759f49a3ef0f71290f4bbd9839cbf2346b0e.zip | |
Merge pull request #5402 from som-snytt/issue/8040-unused
SI-8040 Improve unused warnings
Diffstat (limited to 'src/reflect/scala/reflect/internal/StdAttachments.scala')
| -rw-r--r-- | src/reflect/scala/reflect/internal/StdAttachments.scala | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/reflect/scala/reflect/internal/StdAttachments.scala b/src/reflect/scala/reflect/internal/StdAttachments.scala index fc49de1cf6..f72c1eb1b3 100644 --- a/src/reflect/scala/reflect/internal/StdAttachments.scala +++ b/src/reflect/scala/reflect/internal/StdAttachments.scala @@ -57,6 +57,12 @@ trait StdAttachments { */ case object BackquotedIdentifierAttachment extends PlainAttachment + /** Indicates that the host `Ident` has been created from a pattern2 binding, `case x @ p`. + * In the absence of named parameters in patterns, allows nuanced warnings for unused variables. + * Hence, `case X(x = _) =>` would not warn; for now, `case X(x @ _) =>` is documentary if x is unused. + */ + case object AtBoundIdentifierAttachment extends PlainAttachment + /** Identifies trees are either result or intermediate value of for loop desugaring. */ case object ForAttachment extends PlainAttachment |