[External] : Re: Introduce constructor for PriorityQueue with existing collection and custom comparator

[Alan Bateman]

On 14/12/2023 10:55, Viktor Klang wrote:
> I presume that the precondition to have the original collection be 
> pre-ordered according to the supplied Comparator can be verified by 
> checking before adding each element in the collection to the PQ that 
> it compareTo equal-or-greater to the previous one?
>
It's not a precondition. If a PQ is created from an existing collection, 
or is deserialized (shudder!), then it has to copy and re-sort using the 
Comparator.

-Alan
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