cobegin Statements: creating groups of tasks — Chapel ...

https://chapel-lang.org/docs/users-guide/taskpar/cobegin.html

Cobegin statements also specify that the original task which encounters it cannot proceed until its child tasks have completed. In the example above, this means that “See you later!” will not be printed until all of the greetings have been. As a result of these rules, possible outputs for the code above include: ...Estimated Reading Time: 3 mins