Merge pull request #4300 from 9il/fbe

Trivial Fix Issue 16010

std/experimental/ndslice/selection.d

@@ -1016,7 +1016,7 @@ auto byElement(size_t N, Range)(auto ref Slice!(N, Range) slice)
                     _indexes[i] = n;
                     n = _indexes[i - 1] + v;
                 }
-                assert(n < _slice._lengths[0]);
+                assert(n <= _slice._lengths[0]);
                 with (_slice)
                 {
                     _shift += (n - _indexes[0]) * _strides[0];
@@ -1381,6 +1381,14 @@ unittest
     static assert(hasSlicing!B);
 }
 
+// Issue 16010
+unittest
+{
+    auto s = iotaSlice(3, 4).byElement;
+    foreach (_; 0 .. s.length)
+        s = s[1 .. $];
+}
+
 /++
 Returns an forward range of all elements of standard simplex of a slice.
 In case the slice has two dimensions, it is composed of elements of upper left triangular matrix.