From 4c4e65b3739ca30b587eb20d4fcea3abb5e1550b Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Thu, 12 Jan 2017 19:31:49 +0100
Subject: [PATCH] MmapPool: (p[] is null) != (p[].ptr is null)

---
 source/tanya/memory/mmappool.d |  2 +-
 source/tanya/memory/package.d  | 27 +++++++++++++++++++--------
 2 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/source/tanya/memory/mmappool.d b/source/tanya/memory/mmappool.d
index eac7418..a363219 100644
--- a/source/tanya/memory/mmappool.d
+++ b/source/tanya/memory/mmappool.d
@@ -156,7 +156,7 @@ final class MmapPool : Allocator
 	 */
 	bool deallocate(void[] p) shared nothrow @nogc
 	{
-		if (p is null)
+		if (p.ptr is null)
 		{
 			return true;
 		}
diff --git a/source/tanya/memory/package.d b/source/tanya/memory/package.d
index 60a45a6..3979fe0 100644
--- a/source/tanya/memory/package.d
+++ b/source/tanya/memory/package.d
@@ -220,15 +220,26 @@ void dispose(T)(shared Allocator allocator, auto ref T p)
 }
 
 /// Ditto.
-void dispose(T)(shared Allocator allocator, auto ref T[] array)
+void dispose(T)(shared Allocator allocator, auto ref T[] p)
 {
-	static if (hasElaborateDestructor!(typeof(array[0])))
+	static if (hasElaborateDestructor!(typeof(p[0])))
 	{
-	foreach (ref e; array)
-	{
-	    destroy(e);
+		import std.algorithm.iteration;
+		p.each!(e => destroy(e));
 	}
-	}
-	() @trusted { allocator.deallocate(array); }();
-	array = null;
+	() @trusted { allocator.deallocate(p); }();
+	p = null;
+}
+
+unittest
+{
+	struct S
+	{
+		~this()
+		{
+		}
+	}
+	auto p = cast(S[]) defaultAllocator.allocate(S.sizeof);
+
+	defaultAllocator.dispose(p);
 }