[webkit-reviews] review requested: [Bug 164199] [WTF] Import LLVM libc++ optional as WTF::Optional : [Attachment 293389] Patch

[bugzilla-daemon at webkit.org]

Yusuke Suzuki <utatane.tea at gmail.com> has asked  for review:
Bug 164199: [WTF] Import LLVM libc++ optional as WTF::Optional
https://bugs.webkit.org/show_bug.cgi?id=164199

Attachment 293389: Patch

https://bugs.webkit.org/attachment.cgi?id=293389&action=review