From e4782430103201ae844fdaf1a41f33f53343cab3 Mon Sep 17 00:00:00 2001
From: mfrancis95 <mikefrancis95@gmail.com>
Date: Sun, 24 May 2020 00:13:14 -0400
Subject: [PATCH] Use placeholder expression in thrust::count

---
 thrust/system/detail/generic/count.inl | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/thrust/system/detail/generic/count.inl b/thrust/system/detail/generic/count.inl
index d9e1039e8..f12f0122e 100644
--- a/thrust/system/detail/generic/count.inl
+++ b/thrust/system/detail/generic/count.inl
@@ -54,8 +54,9 @@ __host__ __device__
 typename thrust::iterator_traits<InputIterator>::difference_type
 count(thrust::execution_policy<DerivedPolicy> &exec, InputIterator first, InputIterator last, const EqualityComparable& value)
 {
-  // XXX use placeholder expression here
-  return thrust::count_if(exec, first, last, thrust::detail::equal_to_value<EqualityComparable>(value));
+  using thrust::placeholders::_1;
+
+  return thrust::count_if(exec, first, last, _1 == value);
 } // end count()