Result of assignment expression is null rather than assigned value

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      Hello Guys,

      I found some weird behavior difference in executing the same groovy logic in pipeline from the original groovy 2.4.12 (used in the latest LTS Jenkins by default).

      The next logic is working in different ways for pipeline and script console:

      def b = 3
      def a = b = 4
      print("${a} ${b}")
      
      • Groovy console print output: "4 4"
      • Pipeline echo output: "null 4"

      Who can tell why? I just can't catch the difference.

            Assignee:
            Unassigned
            Reporter:
            Sergei Parshev
            Archiver:
            Jenkins Service Account

              Created:
              Updated:
              Archived: