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Update hash_map docs
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305915270a
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1 changed files with 15 additions and 16 deletions
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@ -512,7 +512,6 @@ $$
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```typescript title="array_hash_map.ts"
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```typescript title="array_hash_map.ts"
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/* 键值对 Number -> String */
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/* 键值对 Number -> String */
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class Entry {
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class Entry {
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public key: number;
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public key: number;
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public val: string;
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public val: string;
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@ -525,7 +524,7 @@ $$
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/* 基于数组简易实现的哈希表 */
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/* 基于数组简易实现的哈希表 */
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class ArrayHashMap {
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class ArrayHashMap {
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private readonly bucket: Entry | null[];
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private readonly bucket: (Entry | null)[];
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constructor() {
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constructor() {
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// 初始化一个长度为 100 的桶(数组)
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// 初始化一个长度为 100 的桶(数组)
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@ -559,8 +558,8 @@ $$
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}
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}
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/* 获取所有键值对 */
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/* 获取所有键值对 */
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public entries(): Entry[] {
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public entries(): (Entry | null)[] {
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let arr = [];
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let arr: (Entry | null)[] = [];
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for (let i = 0; i < this.bucket.length; i++) {
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for (let i = 0; i < this.bucket.length; i++) {
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if (this.bucket[i]) {
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if (this.bucket[i]) {
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arr.push(this.bucket[i]);
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arr.push(this.bucket[i]);
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@ -570,22 +569,22 @@ $$
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}
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}
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/* 获取所有键 */
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/* 获取所有键 */
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public keys(): number[] {
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public keys(): (number | undefined)[] {
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let arr = [];
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let arr: (number | undefined)[] = [];
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for (let i = 0; i < this.bucket.length; i++) {
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for (let i = 0; i < this.bucket.length; i++) {
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if (this.bucket[i]) {
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if (this.bucket[i]) {
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arr.push(this.bucket[i].key);
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arr.push(this.bucket[i]?.key);
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}
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}
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}
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}
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return arr;
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return arr;
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}
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}
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/* 获取所有值 */
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/* 获取所有值 */
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public values(): string[] {
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public values(): (string | undefined)[] {
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let arr = [];
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let arr: (string | undefined)[] = [];
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for (let i = 0; i < this.bucket.length; i++) {
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for (let i = 0; i < this.bucket.length; i++) {
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if (this.bucket[i]) {
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if (this.bucket[i]) {
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arr.push(this.bucket[i].val);
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arr.push(this.bucket[i]?.val);
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}
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}
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}
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}
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return arr;
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return arr;
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