Dmitri Hrybenko 581e853428 stdlib: make filter() a protocol requirement for range replaceable collections ...

This allows array types to get the best performance.  The default
implementation for range replaceable collections appends elements one by
one, and the optimizer can't hoist uniqueness checks from the loop in
that case yet.

Swift SVN r27314

2015-04-15 05:17:28 +00:00

69 KiB

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