Perform a parallel for:range loop

Uses a parallel for:range loop to translate text, specifying the beginning and end of an iteration range.

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Code sample

YAML

main:
  params: []
  steps:
    - init:
        assign:
          - workflow_id: "translate"
          - texts_to_translate:
              - text: "hello world!"
                source: "en"
                target: "fr"
              - text: "你好 世界！"
                source: "zh-CN"
                target: "en"
              - text: "No hablo español!"
                source: "es"
                target: "en"
          - translated: ["", "", ""]  # to write to this variable, you must share it
    - parallel_translate:
        parallel:
          shared: [translated]
          for:
            range: ${[0, len(texts_to_translate) - 1]}
            value: i
            steps:
              - translate:
                  call: googleapis.workflowexecutions.v1.projects.locations.workflows.executions.run
                  args:
                    workflow_id: ${workflow_id}
                    argument: ${texts_to_translate[i]}
                  result: r
              - set_result:
                  assign:
                    - translated[i]: ${r}
    - return:
        return: ${translated}

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