Fixing array code generation

examples/arrays_and_slices.kl

@@ -17,11 +17,28 @@ main :: (): int
   // We can get size of array using length_of builtin
   #assert(length_of(static_array) == 8)
 
-  element: int = static_array[0]
-  assert(static_array[1] == 0)
-  assert(element == 0)
+  // Accessing values is like in C
   // Variables are zeroed by default
-  // assert(static_array[7] == 0)
+  assert(static_array[1] == 0)
+
+  element2     := static_array[2]
+  element0: int = static_array[0]
+  assert(element0 == 0 && element2 == 0)
+
+  // We can loop through arrays
+  // this implicitly defines 'it' variable
+  for static_array
+    *it = 1
+
+  // We set all variables to 1 so
+  assert(static_array[6] == 1)
+
+
+  // This is how slice is defined, no [] index in between brackets
+  // slice is array pointer + length
+  // Other then that it works exactly like regular array
+  slice: []int = static_array
+
+  // We can't do a compile time assert anymore
+  assert(length_of(slice) == 8)
 
-  // for static_array
-  //   it = 1