What are immutable types in functional programming?
Immutable types are data types that cannot be modified after they are created. In functional programming, this means that once you create an instance of an immutable type, you cannot change its state or value.
Why are immutable types important?
They help in maintaining state consistency, making programs easier to reason about, and avoiding side effects, which is crucial in functional programming.
Can you give me an example of an immutable type?
Sure! A common example is a string in many programming languages. Once a string is created, any operation that seems to modify it actually creates a new string instead.
How do immutable types affect performance?
While they can lead to increased memory usage due to the creation of new instances, they often improve performance in concurrent programming by eliminating the need for locks.
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