Ruby - Operators and Expressions
Which of the following is the correct syntax to assign 5 to variable
a only if a is nil or false?Which of the following is the correct syntax to assign 5 to variable a only if a is nil or false?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify correct operator syntax
The correct Ruby operator for conditional assignment is||=, not any variation with single or misplaced symbols.Step 2: Match syntax to options
Only a ||= 5 uses||=correctly asa ||= 5.Final Answer:
a ||= 5 -> Option AQuick Check:
Correct syntax = a ||= 5 [OK]
Quick Trick: Remember ||= has two vertical bars before equals [OK]
Common Mistakes:
MISTAKES- Using single | or misplaced symbols
- Confusing with assignment =
- Typing extra or missing characters
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