Exportable data structures

All data structures will be exported going forward. Array and Hash Table implementations were corrected.

Author: CoffeelessProgrammer

Data-Structures/Arrays/Implementation.ts

@@ -2,7 +2,7 @@
 
 type NumIndexedObject = { [index: number]: any };
 
-class MyArray<T> {
+export class MyArray<T> {
 
   public length: number;
   private data: NumIndexedObject;
@@ -83,39 +83,43 @@ class MyArray {
 
 
 
-let helloArray = new MyArray<string>();
+//---------------------------------------------------------------------
+// ----------                 MAIN PROGRAM                   ----------
+//---------------------------------------------------------------------
+if (import.meta.main) {
 
-helloArray.push('Hello');   // O(1)
-helloArray.push('world');
-console.log(helloArray);
+  let helloArray = new MyArray<string>();
 
-helloArray.pop();           // O(1)
-console.log(helloArray);
+  helloArray.push('Hello');   // O(1)
+  helloArray.push('world');
+  console.log(helloArray);
 
-helloArray.push('Deno');
-helloArray.push('!');
-console.log(helloArray);
+  helloArray.pop();           // O(1)
+  console.log(helloArray);
 
-console.log('At index 2:', helloArray.get(2));
+  helloArray.push('Deno');
+  helloArray.push('!');
+  console.log(helloArray);
 
-// -------------------------------------------
+  console.log('At index 2:', helloArray.get(2));
 
-let sokka = new MyArray<string>();
+  // -------------------------------------------
 
-sokka.push('s');
-sokka.push('o');
-sokka.push('c');
-sokka.push('k');
-sokka.push('a');
-console.log(sokka);
+  let sokka = new MyArray<string>();
 
-console.log('Element deleted:', sokka.deleteIndex(2));  // O(n)
-console.log(sokka);
-
-sokka.insertItemAtIndex(2, 'k');  // O(n)
-console.log(sokka);
+  sokka.push('s');
+  sokka.push('o');
+  sokka.push('c');
+  sokka.push('k');
+  sokka.push('a');
+  console.log(sokka);
 
+  console.log('Element deleted:', sokka.deleteIndex(2));  // O(n)
+  console.log(sokka);
 
+  sokka.insertItemAtIndex(2, 'k');  // O(n)
+  console.log(sokka);
+}
 
 // --------------------------- Terminal Output: ---------------------------
 // MyArray { length: 2, data: { 0: "Hello", 1: "world" } }

Data-Structures/Hash-Tables/Implementation.ts

@@ -1,6 +1,6 @@
 // RUN: deno run Data-Structures/Hash-Tables/Implementation.ts
 
-class HashTable {
+export class HashTable {
   private size: number;
   private data: Array<Array<any>>;
 
@@ -80,21 +80,27 @@ class HashTable {
   }
 
   public testHashFunction() {
-    console.log(hashTable._hash('grapes'));
-    console.log(hashTable._hash('grapess'));
-    console.log(hashTable._hash('grapes'));
+    console.log(this._hash('grapes'));
+    console.log(this._hash('grapess'));
+    console.log(this._hash('grapes'));
   }
 }
 
-const hashTable = new HashTable(16);
-// hashTable.testHashFunction();
+//---------------------------------------------------------------------
+// ----------                 MAIN PROGRAM                   ----------
+//---------------------------------------------------------------------
+if (import.meta.main) {
 
-hashTable.set('grapes', 27);
-hashTable.set('apples', 6);
-hashTable.set('tangerines', 12);
+  const hashTable = new HashTable(16);
+  // hashTable.testHashFunction();
 
-console.log('apples:', hashTable.get('apples'));
-console.log('grapes:', hashTable.get('grapes'));
+  hashTable.set('grapes', 27);  // Θ(1)
+  hashTable.set('apples', 6);
+  hashTable.set('tangerines', 12);
 
-console.log(hashTable.keys());
-console.log(hashTable.values());
+  console.log('apples:', hashTable.get('apples'));
+  console.log('grapes:', hashTable.get('grapes'));
+
+  console.log(hashTable.keys());
+  console.log(hashTable.values());
+}