What is immutability in programming languages?
Immutability refers to the inability to change an object's state after it has been created. In programming, this means that once a data structure is created, it cannot be modified.
Which programming languages support immutability?
Languages like Haskell, Scala, and JavaScript (with const) support immutability. In Haskell, for example, all data is immutable by default.
What are the benefits of using immutable data structures?
Immutable data structures can lead to safer code, easier debugging, and better performance in concurrent programming since they avoid issues related to shared state.
Can you give an example of an immutable data structure?
Sure! In JavaScript, you can use the Object.freeze()
method to create an immutable object. Once frozen, the object cannot be modified.
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