changed priorityQ key to string type

Author: yousshim

package-lock.json

@@ -25,5 +25,8 @@
     "jest": "^26.6.3",
     "ts-jest": "^26.4.3",
     "typescript": "^4.0.5"
+  },
+  "dependencies": {
+    "mongoose": "^5.10.13"
   }
 }

package.json

@@ -8,7 +8,7 @@ heap should always pop the same max as the array
 *********************************************************/
 
 class testType {
-  constructor(public id: number, public value: number) {}
+  constructor(public id:string, public value: number) {}
   isGreaterThan(other: testType): boolean {
     return this.value > other.value;
   }
@@ -58,7 +58,7 @@ class PopCommand implements fc.Command<Model, PriorityQ<testType>> {
 const allCommands = [
   fc
     .record({
-      id: fc.nat(),
+      id: fc.string(),
       value: fc.integer(),
     })
     .map((v) => new PushCommand(new testType(v.id, v.value))),