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|
module rec Types
: sig
type 'a with_meta = { value : 'a; meta : t }
and t =
| List of t list with_meta
| Vector of t list with_meta
| Map of t MalMap.t with_meta
| Int of int
| Symbol of string with_meta
| Keyword of string
| Nil
| Bool of bool
| String of string
| Fn of (t list -> t) with_meta
| Atom of t ref
end = Types
and MalValue
: sig
type t = Types.t
val compare : t -> t -> int
end
= struct
type t = Types.t
let compare = Pervasives.compare
end
and MalMap
: Map.S with type key = MalValue.t
= Map.Make(MalValue)
exception MalExn of Types.t
let to_bool x = match x with
| Types.Nil | Types.Bool false -> false
| _ -> true
type mal_type = MalValue.t
let list x = Types.List { Types.value = x; meta = Types.Nil }
let map x = Types.Map { Types.value = x; meta = Types.Nil }
let vector x = Types.Vector { Types.value = x; meta = Types.Nil }
let symbol x = Types.Symbol { Types.value = x; meta = Types.Nil }
let fn f = Types.Fn { Types.value = f; meta = Types.Nil }
let rec list_into_map target source =
match source with
| k :: v :: more -> list_into_map (MalMap.add k v target) more
| [] -> map target
| _ :: [] -> raise (Invalid_argument "Literal maps must contain an even number of forms")
|