From 789d15e6d5d98880dd64c8b55b9c2456f020b46b Mon Sep 17 00:00:00 2001
From: Martin Odersky <odersky@gmail.com>
Date: Tue, 18 Dec 2012 15:11:25 +0100
Subject: (1) Moved logic from ClassDenotation to ClassInfoType. (2) Tweaks to
 other types. (3) FlagSet is now a value class.

---
 src/dotty/tools/dotc/core/Flags.scala | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

(limited to 'src/dotty/tools/dotc/core/Flags.scala')

diff --git a/src/dotty/tools/dotc/core/Flags.scala b/src/dotty/tools/dotc/core/Flags.scala
index 3b8f05eab..fc9a1b4d3 100644
--- a/src/dotty/tools/dotc/core/Flags.scala
+++ b/src/dotty/tools/dotc/core/Flags.scala
@@ -2,12 +2,16 @@ package dotty.tools.dotc.core
 
 object Flags {
 
-  type FlagSet = Long
+  case class FlagSet(val bits: Long) extends AnyVal {
+    def | (that: FlagSet) = FlagSet(this.bits | that.bits)
+    def & (that: FlagSet) = FlagSet(this.bits & that.bits)
+  }
 
-  final val Empty = 0
+  final val Empty = FlagSet(0)
 
-  final val Error = 1 << 32
-  final val Frozen: Int = ???
-  final val Private: Int = ???
+  final val Error = FlagSet(1 << 32)
+  final val Frozen = FlagSet(???)
+  final val Private = FlagSet(???)
+  final val Package = FlagSet(???)
 
 }
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