How do immutable types affect performance in C#?
Immutable types in C# can have both positive and negative impacts on performance. They are thread-safe and can reduce bugs, but they may lead to increased memory usage due to the creation of new instances.
Can you explain why they might increase memory usage?
Sure! When you modify an immutable type, a new instance is created instead of changing the existing one. This can lead to higher memory consumption, especially in scenarios with frequent modifications.
Are there scenarios where using immutable types is beneficial?
Yes, immutable types are beneficial in multi-threaded applications where you want to avoid race conditions. They also make it easier to reason about code since the state cannot change unexpectedly.
What are some examples of immutable types in C#?
Common examples include the string
type, DateTime
, and custom structs defined with readonly
fields.
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