checkpoint

[sbp.git] / src / edu / berkeley / sbp / chr / CharRange.java

diff --git a/src/edu/berkeley/sbp/chr/CharRange.java b/src/edu/berkeley/sbp/chr/CharRange.java
index 8952536..6728012 100644 (file)
--- a/src/edu/berkeley/sbp/chr/CharRange.java
+++ b/src/edu/berkeley/sbp/chr/CharRange.java
@@ -19,8 +19,9 @@ public class CharRange extends Atom<Character> {
 
     public static final char left       = (char)9998;
     public static final char right      = (char)9999;
-    public static final Atom leftBrace  = new CharRange(left,left)   { public String toString() { return "{"; } };
-    public static final Atom rightBrace = new CharRange(right,right) { public String toString() { return "}"; } };
+    public static final Atom leftBrace  = new CharRange(left,left)   { public String toString() { return "[{]"; } };
+    public static final Atom rightBrace = new CharRange(right,right) { public String toString() { return "[}]"; } };
+    public static final Atom braces     = new CharRange(left,right)   { public String toString() { return "[{}]"; } };
 
     public static Atom set(Range.Set r) { return new CharRange(new CharTopology(r)); }