Paul King created GROOVY-10982:
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Summary: Provide missing identity closure CountBy variants
Key: GROOVY-10982
URL: https://issues.apache.org/jira/browse/GROOVY-10982
Project: Groovy
Issue Type: Improvement
Reporter: Paul King
Minor. Would allow:
{code}
aggregate.countBy()
{code}
instead of either of these:
{code}
aggregate.countBy{ it }
aggregate.countBy(Closure.IDENTITY)
{code}
An alternative could be to support multiple closures like we do for {{groupBy}}
with IDENTITY being the fallback for the no varargs case.
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