GitHub user okram opened a pull request:
TINKERPOP-1508: Add choose(predicate,trueTraversal)
Added `GraphTraversal.choose(predicate,traversal)` and `GraphTraversal.choose(traversal,traversal)`. These are implemented as `choose(traversal,identity())`. Up to this point, `choose()` has been if/then/else-semantics and now with addition, we have if/then-semantics.
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This closes #472
Author: Marko A. Rodriguez <email@example.com>
added choose(predicate,traversal) which is a map to choose(predicate,traversal,identity()) and gives us if/then-semantics instead of always requiring if/then/else-semantics.