Github user BrynCooke commented on the issue:
https://github.com/apache/tinkerpop/pull/470
The lambda traversal will throw a regular NoSuchElementException is it is
unparented.
However, won't this will only happen once? The exception will bubble up and
out of the top level traversal?
If they did this
```
g.V().blah().map{ x ->
try {
__.inject(x).will().not().have().anything().next()
return "foo";
}
catch(NoSuchElementException e) {
return "bar";
}
}
```
instead of
```
g.V().blah().map{ x ->
if(__.inject(x).will().not().have().anything().hasNext()) {
return "foo";
}
else {
return "bar";
}
}
```
Then they would have a problem.
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