module type Container =
sig
type 'a t
exception Empty of string
val create: unit -> 'a t
val put: 'a * 'a t -> unit
val take: 'a t -> 'a
end;;
module ContainerList =
struct
type 'a t = {mutable a : 'a list }
exception Empty of string
let create() = { a = [] }
let put (e, c) =
match c.a with
| [] -> begin c.a <- [e] end
| h::t -> begin c.a <- c.a@[e] end
let take c =
match c.a with
| [] -> raise (Empty "e")
| h::t -> begin c.a <- t ; h end
end;;
let cL = ContainerList.create();;
ContainerList.put(1, cL);;
ContainerList.put(2, cL);;
ContainerList.put(3, cL);;
ContainerList.take cL;;
{"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"}