basic functionality, no generics

lib/id.js

@@ -0,0 +1,38 @@
+import {Function} from "../metacircular.js";
+
+// import {Typed} from "../typed.js";
+
+// import {Bool} from "../primitives/symbols.js";
+// import {deepEqual} from "../util.js";
+// import {Conformable, conformanceCheck} from "../typeclasses/conformable.js";
+
+// // Identity function
+// const idBoundToType = Symbol('idBoundToType');
+
+// const id = type => x => x;
+// const idFn = {name: "id", inType: Type, outType: {inType: Type, outType: Type}, fn: id};
+// const idIsConform = {
+//   name: "isConform",
+//   inType: idBoundToType,
+//   outType: Bool,
+//   fn: fn => deepEqual(fnIn(fn), fnOut(fn))
+// }
+
+// export const ModuleId = [
+//   {i: idBoundToType, t: Type},
+//   {i: idFn, t: Function},
+//   ... makeTypedFnInOut({f: idBoundToType, inType: Type, outType: Type}),
+
+//   {i: idBoundToType, t: Conformable},
+//   {i: idIsConform, t: conformanceCheck},
+// ];
+
+// generates explicitly typed id-function
+export const makeIdFn = typ => {
+  const Typ_to_Typ = {in: typ, out: typ};
+  const id = x => x;
+  return [
+    {i: id        , t: Typ_to_Typ},
+    {i: Typ_to_Typ, t: Function},
+  ];
+};