1 files changed, 13 insertions, 0 deletions
diff --git a/src/json.sig b/src/json.sig
new file mode 100644
index 00000000..f92ef495
--- /dev/null
+++ b/src/json.sig
@@ -0,0 +1,13 @@
+signature JSON = sig 
+  datatype json =
+          Array of json list
+          | Null
+          | Float of real
+          | String of string
+          | Bool of bool
+          | Int of int
+          | Obj of (string * json) list
+
+  val parse: string -> json
+  val print: json -> string
+end