Simplify some checks by using __CLANG_PREREQ
authorYedidya Feldblum <yfeldblum@fb.com>
Mon, 16 Nov 2015 10:07:19 +0000 (02:07 -0800)
committerfacebook-github-bot-9 <folly-bot@fb.com>
Mon, 16 Nov 2015 10:20:20 +0000 (02:20 -0800)
commitd69f6a7a3523aea7cbe5578cdbaea6e3a9920d8c
treeab5937d0a1453e555b0d5585afe8d5f392fe44a0
parent95ccc564c5c70715ca9d499e93147dc2f8d72b8f
Simplify some checks by using __CLANG_PREREQ

Summary: [Folly] Simplify some checks by using `__CLANG_PREREQ`.

Reviewed By: meyering

Differential Revision: D2657979

fb-gh-sync-id: 80ff56bbab0e78465d71315b729ad14a09706ed5
folly/test/OptionalTest.cpp