For-comprehension

Underscores in for-comprehension

Report a typo

Will the next for-comprehension be compiled?

for
  _ <- someComputation(42)
yield ()

Choose the right answer and reason.

Select one option from the list

No, becuase instead of an underscore there must be a named variable

Yes, but someComputation will never run

No, because the map combinator can't return Unit

Yes, because the assignment is not different from variables and we can hide it with an underscore

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