small changes

examples/environment.js

@@ -3,13 +3,21 @@ import { ModuleStd } from "../lib/stdlib.js";
 import { emptyDict, get, set } from "../lib/structures/dict.js";
 import { emptySet, add } from "../lib/structures/set.js";
 import { makeCompareFn } from "../lib/compare/dynamic.js"
+import { Type } from "../lib/primitives/primitive_types.js";
 
-// console.log(ModuleStd);
+console.log(ModuleStd);
+
+const addEntry = dict => i => t => {
+  const setOfInstances = get(dict)(t) || emptySet(makeCompareFn(t));
+  return set(dict)(t)(add(setOfInstances)(i));
+}
 
 const typeDict = ModuleStd.reduce((typeDict, {i, t}) => {
   try {
-    const instances = get(typeDict)(t) || emptySet(makeCompareFn(t));
-    return set(typeDict)(t)(add(instances)(i));  
+    // add instance to type:
+    return addEntry(
+      addEntry(typeDict)(i)(t)
+    )(t)(Type);
   } catch (e) {
     console.log('warning:',e.message);
     return typeDict;

lib/primitives/double.types.js

@@ -1,10 +1,11 @@
 import { getDefaultTypeParser } from "../parser/type_parser.js";
 import { addDouble, eqDouble, mulDouble } from "./double.js";
+import { newDynamic } from "./dynamic.js";
 
 const mkType = getDefaultTypeParser();
 
 export const ModuleDouble = [
-  { i: addDouble, t: mkType("Double -> Double -> Double") },
+  newDynamic(addDouble)(mkType("Double -> Double -> Double")),
   { i: mulDouble, t: mkType("Double -> Double -> Double") },
   { i: eqDouble, t: mkType("Double -> Double -> Bool") },
 ];

lib/primitives/dynamic.js

@@ -1,6 +1,14 @@
+import { inspect } from "node:util";
 import { assignFn } from "../generics/generics.js";
 
-export const newDynamic = i => t => ({i, t});
+function inspectDynamic(_depth, options, inspect) {
+  return `${inspect(this.i, options)} :: ${inspect(this.t, options)}`;
+}
+
+export const newDynamic = i => t => ({
+  i, t,
+  [inspect.custom]: inspectDynamic,
+});
 
 export const getInst = lnk => lnk.i;
 export const getType = lnk => lnk.t;