Void completed (v result, a attachment) executes if a task completes with a result of type v.

voidcompleted (vresult,a attachment)在任务完成结果中具有类型v时执行。

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Void completed (v result, a attachment) executes if a task completes with a result of type v.

voidcompleted (vresult,a attachment)在任务完成结果中具有类型v时执行。

youdao