Ruby - String Operations
To ensure a constant string remains unchangeable throughout a Ruby program, which is the best practice?
To ensure a constant string remains unchangeable throughout a Ruby program, which is the best practice?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Use constants for fixed values
Constants in Ruby are intended to remain unchanged.Step 2: Freeze the constant string
Calling.freezeensures the string cannot be modified.Step 3: Avoid mutable variables
Global or local variables without freezing can be changed accidentally.Final Answer:
Define the string as a constant and call .freeze on it -> Option BQuick Check:
Check that constant string is frozen with.frozen?[OK]
Quick Trick: Freeze constant strings to prevent accidental modification [OK]
Common Mistakes:
MISTAKES- Not freezing constants and expecting immutability
- Using global variables which can be changed
- Duplicating strings instead of freezing
Master "String Operations" in Ruby
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