[BEAM-7543] ReduceByKey.combineBy must accept BinaryFunction<V, V, V>

• Type: Improvement
• Status: Resolved
• Priority: P2
• Resolution: Fixed
• Affects Version/s: 2.13.0
• Fix Version/s: 2.14.0
• Component/s: dsl-euphoria
• Assignee: Jan Lukavský
• Reporter: Jan Lukavský
• Created: 12/Jun/19 13:57
• Updated: 16/May/20 14:02
• Resolved: 19/Jun/19 14:41

Description

When combing associative commutative function directly, the translation can be done more effectively, then when we have to resort to reducing Stream.

Issue Links

• links to: GitHub Pull Request #8848