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Home/ Questions/Q 6182179
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Editorial Team
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Editorial Team
Asked: May 24, 20262026-05-24T01:09:22+00:00 2026-05-24T01:09:22+00:00

Given: C = case A of undefined -> ; Value -> Value end How

  • 0

Given:

C = case A of
  undefined ->
    "";
  Value ->
    Value
end

How would I express this as a single line?

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  1. Editorial Team
    Editorial Team
    2026-05-24T01:09:23+00:00Added an answer on May 24, 2026 at 1:09 am

    Besides the obvious (putting all of that code on one line), you could make a helper function like this:

    with_default(undefined, D) -> D;
    with_default(X, _) -> X.
    
    with_default(X) -> with_default(X, "").
    
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