Replace std::unique_ptr with a custom implementation

<memory> is a costly header we can avoid by just implementing
UniquePtr ourselves, which is a pretty straightforward in modern
C++, this saves around 10% of the compilation time here.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/diff.hh b/src/diff.hh
index 2f582b16..bcca655a 100644
--- a/src/diff.hh
+++ b/src/diff.hh
@@ -7,7 +7,7 @@
 
 #include <algorithm>
 #include <functional>
-#include <memory>
+#include "unique_ptr.hh"
 
 namespace Kakoune
 {
@@ -175,7 +175,7 @@ template<typename IteratorA, typename IteratorB, typename OnDiff, typename Equal
 void for_each_diff(IteratorA a, int N, IteratorB b, int M, OnDiff&& on_diff, Equal&& eq = Equal{})
 {
     const int max = 2 * (N + M) + 1;
-    std::unique_ptr<int[]> data(new int[2*max]);
+    UniquePtr<int[]> data(new int[2*max]);
     constexpr int cost_limit = 1000;
 
     Diff last{};