Merge pull request #4737 from John-Colvin/patch-17

Fix Issue 16413 - multiSort doesn't work with @System comparison function
dlang · Aug 27, 2016 · 45eb00f · 45eb00f
2 parents 9abe256 + 7c7af21
commit 45eb00f
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/std/algorithm/sorting.d b/std/algorithm/sorting.d
@@ -999,6 +999,14 @@ private void multiSortImpl(Range, SwapStrategy ss, funs...)(Range r)
     assert(arr == [[1, 0], [1, 1], [1, 2], [2, 0]]);
 }
 
+unittest //Issue 16413 - @system comparison function
+{
+    bool lt(int a, int b) { return a < b; } static @system
+    auto a = [2, 1];
+    a.multiSort!(lt, lt);
+    assert(a == [1, 2]);
+}
+
 private size_t getPivot(alias less, Range)(Range r)
 {
     import std.algorithm.mutation : swapAt;