Extended the comma initializer to support xpr on the right side:
Matrix3i mat; Vector2i vec(33,66);
mat << vec.transpose(), 99,
vec, Matrix2i::random();
diff --git a/doc/snippets/MatrixBase_set.cpp b/doc/snippets/MatrixBase_set.cpp
index 376efbc..f6ccb10 100644
--- a/doc/snippets/MatrixBase_set.cpp
+++ b/doc/snippets/MatrixBase_set.cpp
@@ -1,8 +1,13 @@
Matrix3i m1;
-m1 <<= 1, 2, 3,
+m1 << 1, 2, 3,
4, 5, 6,
7, 8, 9;
cout << m1 << endl << endl;
Matrix3i m2 = Matrix3i::identity();
-m2.block(0,0, 2,2) <<= 10, 11, 12, 13;
+m2.block(0,0, 2,2) << 10, 11, 12, 13;
+cout << m2 << endl << endl;
+Vector2i v1;
+v1 << 14, 15;
+m2 << v1.transpose(), 16,
+ v1, m1.block(1,1,2,2);
cout << m2 << endl;
\ No newline at end of file