type color = W | B
type image = L of color * int
| N of image * image * image * image
Tree:
N (L (W, 4), N (L (W, 1), L (B, 1), L (W, 1), L (B, 2)),
N (L (W, 2), L (W, 2), L (W, 2), L (B, 1)), L (B, 4))
Tree to array:
let tree_to_array tr n =
match tr with
| L(a, b) -> Array.make_matrix n n (leaf_bit a)
| N(a, b, c, d) -> quad_arr_append (tree_to_array a (n/2)) (tree_to_array b (n/2)) (tree_to_array c (n/2)) (tree_to_array d (n/2))
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}
