[lld] r331097 - Migrate from std::pointer_to_unary_function as it is removed in C++17

[Fangrui Song via llvm-commits]

Author: maskray
Date: Fri Apr 27 17:12:02 2018
New Revision: 331097

URL: http://llvm.org/viewvc/llvm-project?rev=331097&view=rev
Log:
Migrate from std::pointer_to_unary_function as it is removed in C++17

Modified:
    lld/trunk/include/lld/Core/File.h

Modified: lld/trunk/include/lld/Core/File.h
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/include/lld/Core/File.h?rev=331097&r1=331096&r2=331097&view=diff
==============================================================================
--- lld/trunk/include/lld/Core/File.h (original)
+++ lld/trunk/include/lld/Core/File.h Fri Apr 27 17:12:02 2018
@@ -114,10 +114,8 @@ public:
     AtomRange(AtomVector<T> &v) : _v(v) {}
     AtomRange(const AtomVector<T> &v) : _v(const_cast<AtomVector<T> &>(v)) {}
 
-    typedef std::pointer_to_unary_function<const OwningAtomPtr<T>&,
-                                           const T*> ConstDerefFn;
-
-    typedef std::pointer_to_unary_function<OwningAtomPtr<T>&, T*> DerefFn;
+    using ConstDerefFn = const T* (*)(const OwningAtomPtr<T>&);
+    using DerefFn = T* (*)(OwningAtomPtr<T>&);
 
     typedef llvm::mapped_iterator<typename AtomVector<T>::const_iterator,
                                   ConstDerefFn> ConstItTy;