[llvm] r343937 - [clangd] NFC: Migrate to LLVM STLExtras API where possible

[Kirill Bobyrev via llvm-commits]

Author: omtcyfz
Date: Sun Oct  7 07:49:41 2018
New Revision: 343937

URL: http://llvm.org/viewvc/llvm-project?rev=343937&view=rev
Log:
[clangd] NFC: Migrate to LLVM STLExtras API where possible

This patch improves readability by migrating `std::function(ForwardIt
start, ForwardIt end, ...)` to LLVM's STLExtras range-based equivalent
`llvm::function(RangeT &&Range, ...)`.

Similar change in Clang: D52576.

Reviewed By: sammccall

Differential Revision: https://reviews.llvm.org/D52650

Modified:
    llvm/trunk/include/llvm/ADT/STLExtras.h

Modified: llvm/trunk/include/llvm/ADT/STLExtras.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/STLExtras.h?rev=343937&r1=343936&r2=343937&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ADT/STLExtras.h (original)
+++ llvm/trunk/include/llvm/ADT/STLExtras.h Sun Oct  7 07:49:41 2018
@@ -1139,6 +1139,12 @@ auto lower_bound(R &&Range, ForwardIt I)
   return std::lower_bound(adl_begin(Range), adl_end(Range), I);
 }
 
+template <typename R, typename ForwardIt, typename Compare>
+auto lower_bound(R &&Range, ForwardIt I, Compare C)
+    -> decltype(adl_begin(Range)) {
+  return std::lower_bound(adl_begin(Range), adl_end(Range), I, C);
+}
+
 /// Provide wrappers to std::upper_bound which take ranges instead of having to
 /// pass begin/end explicitly.
 template <typename R, typename ForwardIt>