Ben Cohen df2307e035 [stdlib][DNM] Collapse sequence and collection wrappers (#20221) ...

* Concretize dropFirst/Last/sufix/prefix from Sequence

Remove split customization point

Eliminate SubSequence from Sequence protocol

Collapse LazyCollection

Collapse LazyMapCollection

Eliminate _SequenceWrapper

Collapse LazyFilterCollection

Collapse LazyDrop/PrefixWhileCollection

Fix tests, ABI stability update

Collapse FlattenSequence

* Add entries to source/ABI compatible expected results.

* Update tests to avoid pre-10.14 objc runtime bug

* Expunge _preprocessingPass

2018-11-14 10:05:58 -08:00

6.5 KiB

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