Daniel Sun created GROOVY-8901:
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Summary: Add DGSM `countDistinct[By]`, `sum[By]`, `avg[By]`
Key: GROOVY-8901
URL: https://issues.apache.org/jira/browse/GROOVY-8901
Project: Groovy
Issue Type: Improvement
Reporter: Daniel Sun
Assignee: Daniel Sun
Fix For: 3.0.0-alpha-4-- This message was sent by Atlassian JIRA (v7.6.3#76005)
