Renamed `apply` to `select` to avoid ADL conflict with `std::apply`
Renamed `apply` to `select` to avoid ADL conflict with `std::apply`

Summary:
`std::apply` in C++14 and above is defined with two unrestricted arguments, and
it wins overload resolution in this case.

Reviewers: ilya-biryukov

Subscribers: cfe-commits, ymandel

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62150

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@361170 91177308-0d34-0410-b5e6-96231b3b80d8

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