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Experiments with dependently typed JSON in Idris
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module JSON | |
import Data.SortedMap | |
data JSONType: Type where | |
JSONArray : Vect JSONType n -> JSONType | |
JSONString : JSONType | |
JSONNumber : JSONType | |
JSONBool : JSONType | |
JSONObject : SortedMap String JSONType -> JSONType | |
JSONNull : JSONType | |
mutual | |
using (ts : Vect JSONType n, fs : SortedMap String JSONType) | |
namespace JArray | |
data JArray : Vect JSONType n -> Type where | |
Nil : JArray [] | |
(::) : JSON t -> JArray ts -> JArray (t :: ts) | |
namespace JObject | |
data JObject : SortedMap String JSONType -> Type where | |
Nil : JObject empty | |
(::) : (f : (String, JSON t)) -> JObject fs -> JObject (insert (fst f) t fs) | |
data JSON : JSONType -> Type where | |
JSString : String -> JSON JSONString | |
JSNumber : Float -> JSON JSONNumber | |
JSBool : Bool -> JSON JSONBool | |
JSNull : JSON JSONNull | |
JSArray : JArray ts -> JSON (JSONArray ts) | |
JSObject : JObject fs -> JSON (JSONObject fs) | |
test : JSON (JSONObject (fromList [("foo", JSONBool), ("bar", JSONNumber)])) | |
test = JSObject [("bar", JSNumber 1), ("foo", JSBool True)] |
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