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Results tagged with immutability
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user 33636
Immutability is about having objects that cannot be changed.
3
votes
Accepted
Why does an immutable object in Scala need less memory than a mutable one?
Sharing is only part of the answer.
The mutable map has to contain all the fields which will be needed when/if elements are added, since calling methods can't change the class of the object.
With im …
- 1,477
9
votes
Accepted
Does variance make sense in a fully immutable language?
Yes; presence of subtyping is independent of immutability. …
- 1,477