diff --git a/include/aoc/Grid.hpp b/include/aoc/Grid.hpp
index 596f142..4fdd381 100644
--- a/include/aoc/Grid.hpp
+++ b/include/aoc/Grid.hpp
@@ -53,6 +53,14 @@ class Grid
     {
         return rowNo * nColumns_ + data_.get();
     }
+
+    void fill(const T value)
+    {
+        for (size_t i = 0; i < nRows_ * nColumns_; i++)
+        {
+            data_[i] = value;
+        }
+    }
 private:
     size_t nRows_;
     size_t nColumns_;