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removed illegal use of double-star
[sbp.git]
/
src
/
edu
/
berkeley
/
sbp
/
Sequence.java
diff --git
a/src/edu/berkeley/sbp/Sequence.java
b/src/edu/berkeley/sbp/Sequence.java
index
9586f72
..
a5149f2
100644
(file)
--- a/
src/edu/berkeley/sbp/Sequence.java
+++ b/
src/edu/berkeley/sbp/Sequence.java
@@
-35,8
+35,11
@@
public abstract class Sequence extends Element implements Iterable<Element> {
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
+ public Topology noFollow() { return null; }
+
Topology toAtom() {
Topology toAtom() {
- if (elements.length!=1) return null;
+ if (elements.length>1) throw new RuntimeException("cannot invoke toAtom() on a Sequence with " + elements.length + " elements: " + this);
+ if (elements.length==0) return null;
return elements[0].toAtom();
}
return elements[0].toAtom();
}