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Add Immutable*Array.reverse()
See original GitHub issueImmutableIntArray and its counterparts are a nice abstraction over primitive arrays that do not only offer the benefit of immutability, but also provide the nice ability to create a sub-array view without copying it, which is not possible with primitive arrays.
In a similar manner it would be nice if these classes would provide a reverse() method that returns a reversed view.
Precedent for this is ImmutableList.reverse().
My use case is existing code that uses ImmutableIntArray where I want to optionally allow reversing the order of iterations. Currently this needs to be done by dumping the ImmutableIntArray into an array, call Ints.reverse(), and reconstruct an ImmutableIntArray.
Issue Analytics
- State:
- Created 3 years ago
- Comments:12 (8 by maintainers)
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Sure, over time, familiarity with SeqColls might lead more users to “expect” to find reversed() on these classes too. That’s going to be a very slow effect though, and at some point Valhalla’s going to enable
ImmutableList<int>and make this whole class obsolete.At this point I think it’s fair to say that the case is not “clearly compelling” enough. Reopen if something changes.