GROOVY-8537: GroovyCollections.combinations should return an empty list if one of the source collections is empty (closes #682)
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Project: http://git-wip-us.apache.org/repos/asf/groovy/repo Commit: http://git-wip-us.apache.org/repos/asf/groovy/commit/e6a0efdb Tree: http://git-wip-us.apache.org/repos/asf/groovy/tree/e6a0efdb Diff: http://git-wip-us.apache.org/repos/asf/groovy/diff/e6a0efdb Branch: refs/heads/master Commit: e6a0efdbf2c8ec836949f01a208a569fc325fafc Parents: 93ecc0a Author: Paul King <pa...@asert.com.au> Authored: Wed Apr 11 16:38:41 2018 +1000 Committer: Paul King <pa...@asert.com.au> Committed: Wed Apr 11 16:38:41 2018 +1000 ---------------------------------------------------------------------- src/main/groovy/groovy/util/GroovyCollections.java | 1 + 1 file changed, 1 insertion(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/groovy/blob/e6a0efdb/src/main/groovy/groovy/util/GroovyCollections.java ---------------------------------------------------------------------- diff --git a/src/main/groovy/groovy/util/GroovyCollections.java b/src/main/groovy/groovy/util/GroovyCollections.java index 3f637ef..19bef50 100644 --- a/src/main/groovy/groovy/util/GroovyCollections.java +++ b/src/main/groovy/groovy/util/GroovyCollections.java @@ -91,6 +91,7 @@ public class GroovyCollections { * is <code>[['a', 1], ['b', 1], ['a', 2], ['b', 2], ['a', 3], ['b', 3]]</code>. * If a non-collection item is given, it is treated as a singleton collection, * i.e. <code>combinations([[1, 2], 'x'])</code> is <code>[[1, 'x'], [2, 'x']]</code>. + * If an empty collection is found within the given collections, the result will be an empty list. * * @param collections the Iterable of given collections * @return a List of the combinations found
