What is immutability in programming?
Immutability means that once an object is created, it cannot be changed. This is important in functional programming.
How does immutability help with concurrency?
Immutability helps with concurrency by preventing data races, as multiple threads can safely read the same immutable object.
Can you give an example of immutability in a programming language?
Sure! In languages like JavaScript, using const
to declare an object prevents reassignment, making it effectively immutable.
What are the downsides of using immutability?
One downside is performance; creating new objects instead of modifying existing ones can lead to increased memory usage.
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