2 files changed, 9 insertions, 1 deletions
diff --git a/.gitignore b/.gitignore
index b9fc595..03eb65e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 trolltron
 #*#
-*~
-\ No newline at end of file
+*~
+*.o
+\ No newline at end of file
diff --git a/Field.cpp b/Field.cpp
index fba00a8..8cb5dea 100644
--- a/Field.cpp
+++ b/Field.cpp
@@ -1,5 +1,12 @@
 #include "Field.h"
 
+class out_of_bounds: public std::exception {
+  virtual const char* what() const throw()
+  {
+    return "index out of bounds";
+  }
+} out_of_bounds;
+
 
 Field::Field(uint width, uint height): m_width(width), m_height(height)
 {