Since there is String.prefix(while:), should there be .suffix(while:) for symmetry?

I need to look for suffix in reverse by some predicate, the opposite of prefix(while:). I thought for sure there must be a .suffix(while:), but no.

Will this work: .reversed().prefix(while:).reversed()

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I think there should be a suffix(while:) on BidirectionalCollection and I'm quite surprised to see there isn't. In the meantime, yes, the above ought to work.

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This was also part of the consumers/searchers prototype from way back when, and Swift Algorithms is also starting to fill in these kinds of gaps too. CC @nnnnnnnn @timv

Yep! suffix(while:) was added to the Algorithms package in version 0.0.3.

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