What is the difference between mutable and immutable data in Ruby?
In Ruby, mutable data can be changed after it's created, while immutable data cannot be altered once it's set.
Can you give me examples of mutable and immutable data types in Ruby?
Sure! Arrays and hashes are mutable, while strings and symbols are immutable in Ruby.
Why is it important to understand the difference?
Understanding this difference helps in managing memory and avoiding unintended side effects in your code.
How does this affect performance in Ruby?
Immutable objects can lead to better performance in certain scenarios, as they can be shared without copying.
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