Make sorting/limit more resilient in repository

packages/lib/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@welshman/lib",
-  "version": "0.6.2",
+  "version": "0.6.3",
   "author": "hodlbod",
   "license": "MIT",
   "description": "A collection of utilities.",

packages/lib/src/Tools.ts

@@ -1517,9 +1517,9 @@ export const prop =
 
 /** Returns a function that adds/updates a property on object */
 export const assoc =
-  <K extends string, T, U>(k: K, v: T) =>
-  (o: U) =>
-    ({...o, [k as K]: v}) as U & Record<K, T>
+  <K extends string, T>(k: K, v: T) =>
+  <U>(o: U): U =>
+    ({...o, [k]: v}) as U
 
 /** Returns a function that removes a property on object */
 export const dissoc =