Some solutions for the julia path

julia/chessboard/chessboard.jl

@@ -0,0 +1,15 @@
+function rank_range()
+    return 1:8    
+end
+
+function file_range()
+    return 'A':'H'               
+end
+
+function ranks()
+    return collect(rank_range())    
+end
+
+function files()
+    return collect(file_range())    
+end