Ruby - Error Handling
Which of the following Ruby code snippets correctly uses the rescue modifier inline to handle exceptions?
Which of the following Ruby code snippets correctly uses the rescue modifier inline to handle exceptions?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand rescue modifier syntax
The rescue modifier is used inline after an expression to catch exceptions and provide a fallback value.Step 2: Analyze each option
result = 100 / x rescue 0 correctly placesrescue 0after the expression100 / x. Options B, C, and D use incorrect syntax.Final Answer:
result = 100 / x rescue 0 -> Option BQuick Check:
Check that rescue follows the expression directly [OK]
Quick Trick: Rescue modifier follows expression directly [OK]
Common Mistakes:
- Placing rescue before the expression
- Using 'then' or 'else' with rescue modifier inline
- Incorrect order of rescue and expression
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