Language Upgrades · interview question
How would you explain a potential pitfall of using pattern matching with a switch expression when dealing with legacy types in an interview?
Multiple choiceHardchapter-12-curatedpremiumlanguage-upgradespattern-matching
Answer and explanation
Correct answer
C. Incorrect handling due to missing exhaustive checks.
Why
When dealing with legacy types, missing exhaustive checks in a pattern matching switch expression can lead to runtime errors if all possible types are not explicitly handled.
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